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Small black and brown dog hiding under orange blanket on couch looking scared worried alert frightened afraid wide-eyed uncertain anxious uneasy distressed nervous tense 免版税图像

#80448428 - Small black and brown dog hiding under orange blanket on couch..

Nervous stressed sweaty businessman speaker wiping sweat feel anxious afraid stuttering before speech reading preparing practicing standing at office meeting door, public speaking fear phobia concept

#118057824 - Nervous stressed sweaty businessman speaker wiping sweat feel..

Anxious young business man looking away

#38679379 - Anxious young business man looking away

Nervous businessman peeking over desk in his office 免版税图像

#44851422 - Nervous businessman peeking over desk in his office

Human nervous system medical vector illustration diagram with parasympathetic, sympathetic nerves and all connected inner organs through brain and spinal cord. Educational information complete guide.

#97115613 - Human nervous system medical vector illustration diagram with..

Neurons cells close up

#124558598 - Neurons cells close up

Nervous girl sitting on the bed and biting nails

#43836490 - Nervous girl sitting on the bed and biting nails

Close up photo of charming man looking wearing brown shirt isolated over blue background 免版税图像

#129622545 - Close up photo of charming man looking wearing brown shirt isolated..

Angry businessman tearing hair out

#111025353 - Angry businessman tearing hair out

Human nervous system medical vector illustration diagram with parasympathetic and sympathetic nerves and all connected inner organs through brain and spinal cord. Educational information complete guide.

#96991220 - Human nervous system medical vector illustration diagram with..

Peripheral nervous system, medical vector illustration diagram with brain, spinal cord and nerves. Educational scheme poster. 矢量图像

#96989936 - Peripheral nervous system, medical vector illustration diagram..

Close-up of an anxious man speaking into microphone. 免版税图像

#45857485 - Close-up of an anxious man speaking into microphone.

Circulatory and Nervous System with Lymph Nodes

#105318257 - Circulatory and Nervous System with Lymph Nodes

3D illustration brain nervous system active, medical concept. 免版税图像

#55264033 - 3D illustration brain nervous system active, medical concept.

brain with backbone

#34418572 - brain with backbone

Neurons of the nervous system cells. 3d illustration

#54205513 - Neurons of the nervous system cells. 3d illustration

Neurons in the brain 免版税图像

#32155498 - Neurons in the brain

Terrified female speaker on a stage in front of the audience, EPS 8 vector illustration, no transparencies

#56914038 - Terrified female speaker on a stage in front of the audience,..

Young woman suffering from a severe depression (very harsh lighting is used on this shot to underline/convey the gloomy mood of the scene)

#30141534 - Young woman suffering from a severe depression (very harsh lighting..

Creepy hands reaching the shadow of a man, standing on a podium, as a metaphor for a fear of public speaking, EPS 8 vector illustration, no transparencies 矢量图像

#56914028 - Creepy hands reaching the shadow of a man, standing on a podium,..

Vertebral Column of Human Body Anatomy infograpic diagram including all vertebra cervical thoracic lumbar sacral and coccygeal for medical science education and healthcare 矢量图像

#87967063 - Vertebral Column of Human Body Anatomy infograpic diagram including..

Nervous business people waiting for job interview 免版税图像

#32788954 - Nervous business people waiting for job interview

Nervous system infographic chart elements. Nerves spine brain and the five senses.

#41390508 - Nervous system infographic chart elements. Nerves spine brain..

Woman scratching her head

#119884555 - Woman scratching her head

Blue glowing synapses in space, computer generated abstract background

#50990207 - Blue glowing synapses in space, computer generated abstract background

Woman pulling her hair in distraught and panic, vector cartoon isolated on white background 矢量图像

#84589293 - Woman pulling her hair in distraught and panic, vector cartoon..

Nervous middle aged old businesswoman feeling scared stressed afraid waiting for job interview, worried mature senior applicant or speaker reading papers preparing for public speaking fear concept 免版税图像

#112485283 - Nervous middle aged old businesswoman feeling scared stressed..

#14119768 - Spark of creativity with a human head and a firework icon in..

The various human body systems and organs 矢量图像

#34201968 - The various human body systems and organs

Money stress - business woman holding piggy bank. Debt, bankruptcy and savings concepts with stressed female businesswoman biting nails nervous isolated

#35218025 - Money stress - business woman holding piggy bank. Debt, bankruptcy..

Human Internal System - Nervous system, medical concept. 免版税图像

#55502819 - Human Internal System - Nervous system, medical concept.

Neurons abstract background 免版税图像

#43149835 - Neurons abstract background

Young plant with brain root, vector

#31995503 - Young plant with brain root, vector

Brain 免版税图像

#35886424 - Brain

Young hopeless woman suffering from depression having nervous breakdown holding her head on isolated background, copy space

#83654044 - Young hopeless woman suffering from depression having nervous..

Anxious Teenage Student Sitting Examination In School Hall 免版税图像

#91940632 - Anxious Teenage Student Sitting Examination In School Hall

Cheerless thoughtful man feeling lonely

#86194801 - Cheerless thoughtful man feeling lonely

Angry frustrated man with exploding head and steam coming out of his ears on dark background 免版税图像

#80190257 - Angry frustrated man with exploding head and steam coming out..

Nerve cell types Close-up detailed anatomy illustration

#81957425 - Nerve cell types Close-up detailed anatomy illustration

Spinal Reflex Arc anatomical scheme, vector illustration, with spinal cord, stimulus pathway to the sensory neuron, relay neuron, motor neuron and muscle tissue. Educational diagram.

#96316243 - Spinal Reflex Arc anatomical scheme, vector illustration, with..

Shy nervous bashful female employee feels embarrassed blushing afraid of public speaking at corporate group team meeting, timid stressed woman hiding face during awkward moment reporting in office

#111160854 - Shy nervous bashful female employee feels embarrassed blushing..

Full length portrait of nervous male is open-eyed. He is waiting for his turn on chair. Copy space in left side

#97245480 - Full length portrait of nervous male is open-eyed. He is waiting..

Neurons and nervous system. 3d render of nerve cells. 3D illustration

#110771807 - Neurons and nervous system. 3d render of nerve cells. 3D illustration

limbic system. Cross section of the human brain. Anatomical components of limbic system: Mammillary body, pituitary gland, amygdala, hippocampus, thalamus, cingulate gyrus, corpus callosum, hypothalamus). Vector illustration for medical, biological, and educational use 矢量图像

#119627983 - limbic system. Cross section of the human brain. Anatomical components..

3D model of the human brain on dark background surrounded by neural networks. 3d render. 3d illustration Synapses and neurons

#105103979 - 3D model of the human brain on dark background surrounded by..

Human brain abstract blue background, beautiful colorful illustration detailed anatomy

#82408822 - Human brain abstract blue background, beautiful colorful illustration..

Human Nervous System Illustration 免版税图像

#115153472 - Human Nervous System Illustration

Modern technology financier economist people person concept. Hulf-turned portrait of sad unhappy upset disappointed journalist economist business lady holding head on hands looking at screen monitor

#98210826 - Modern technology financier economist people person concept...

Anxious Teenage Student Sitting Examination In School Hall 免版税图像

#91940602 - Anxious Teenage Student Sitting Examination In School Hall

Medical Education Chart of Biology for Nervous System Diagram. Vector illustration

#79651319 - Medical Education Chart of Biology for Nervous System Diagram...

Nervous system

#33255843 - Nervous system

Human Brain Diagram

#41068727 - Human Brain Diagram

Girl body anatomy vector illustration. Cartoon medical female human body structure of muscular, skeletal, blood and vein circulatory or nervous and digestive system flat design for infographics 矢量图像

#98766698 - Girl body anatomy vector illustration. Cartoon medical female..

medically accurate 3d illustration of headache/ migraine 免版税图像

#60918841 - medically accurate 3d illustration of headache migraine

#84979550 - Brain or mind side view inside head line art vector icon for..

Shocked woman counting expensive electricity and household bills feel shocked after see the numbers sitting on sofa in the living room at home. interior and domestic housework concept.

#80442454 - Shocked woman counting expensive electricity and household bills..

Nerve cell anatomy detailed illustration

#78848312 - Nerve cell anatomy detailed illustration

Man having error in computer while working

#103154720 - Man having error in computer while working

The human nervous system on a black background

#34013640 - The human nervous system on a black background

Japanese encephalitis, medical concept, 3D illustration showing brain infection and close-up view of Japanese encephalitis viruses in the brain 免版税图像

#101756064 - Japanese encephalitis, medical concept, 3D illustration showing..

Blue glowing synapse. Artificial neuron in concept of artificial intelligence. Synaptic transmission lines of pulses.Abstract polygonal space low poly with connecting dots and lines, 3D rendering

#80558551 - Blue glowing synapse. Artificial neuron in concept of artificial..

Anatomy of a typical human neuron. Structure neuron: axon, synapse, dendrite, mitochondrion, myelin sheath, node Ranvier and Schwann cell. labeled

#35639125 - Anatomy of a typical human neuron. Structure neuron: axon, synapse,..

Photo of asian adult woman 20s with dark curly hair touching her head and screaming in fear or irritation isolated over gray background 免版税图像

#97983193 - Photo of asian adult woman 20s with dark curly hair touching..

Watching melodrama. Woman feeling emotional while watching melodrama and eating chocolate spread with spoon 免版税图像

#104037169 - Watching melodrama. Woman feeling emotional while watching melodrama..

Lazy student girl at home, she is resting with her face down on the school book, education and childhood concept 免版税图像

#96095023 - Lazy student girl at home, she is resting with her face down..

Human body skin section, anatomy, 3d section of human skin. 3d rendering

#87754476 - Human body skin section, anatomy, 3d section of human skin. 3d..

Medical Education Chart of Biology for Human Body Organ System Diagram. Vector illustration

#79651336 - Medical Education Chart of Biology for Human Body Organ System..

Vertical section of a human brain. showing the medulla, pons, cerebellum, hypothalamus, thalamus, midbrain. 矢量图像

#33038080 - Vertical section of a human brain. showing the medulla, pons,..

Nervous system

#37231905 - Nervous system

Stressed business woman leader executive in tension feels worried thinking of problem challenge at meeting, female speaker nervous about result waiting for clients decision after sales presentation 免版税图像

#109334622 - Stressed business woman leader executive in tension feels worried..

Portrait of angry and upset young man looking furious, aggressive and crazy in People and human emotions, facial expressions and abuse, violence and bullying concept. Isolated on white background.

#127193469 - Portrait of angry and upset young man looking furious, aggressive..

Colombian man with bowl of cereals is a little bit nervous and scared 免版税图像

#128147923 - Colombian man with bowl of cereals is a little bit nervous and..

Closeup photo of amazing dark skin lady holding crossed fingers biting lips worried about school test wear yellow knitted jumper isolated blue teal color background

#133437250 - Closeup photo of amazing dark skin lady holding crossed fingers..

Young woman in stylish yellow sweater screaming in terror with hands on her head, mouth wide open. silence concept. stop talking. I hate you. emotion and feeling 免版税图像

#123357924 - Young woman in stylish yellow sweater screaming in terror with..

A parent and child huddling under a table 免版税图像

#129616189 - A parent and child huddling under a table

cropped view of woman holding seesaw with human brain and red heart on white

#122161046 - cropped view of woman holding seesaw with human brain and red..

Tired stressed single mom having headache feeling annoyed about noisy active kid jumping on sofa, sad depressed exhausted mother fatigued of difficult disobedient child daughter playing at home

#116886716 - Tired stressed single mom having headache feeling annoyed about..

The patient and the brain healthy brain and neurons in comparison.
Alzheimer's disease. Amyloid Plaque. 免版税图像

#66827292 - The patient and the brain healthy brain and neurons in comparison...

Angry couple arguing in the middle of a city street

#115370895 - Angry couple arguing in the middle of a city street

headache in the airplane, man passenger afraid and feeling bad during the flight in plane 免版税图像

#111082569 - headache in the airplane, man passenger afraid and feeling bad..

Close up photo beautiful she her lady pretty buns unexpected news big eyes opened mouth speechless oh no face awkward shame eyes wear casual striped red white t-shirt isolated pink background

#119452892 - Close up photo beautiful she her lady pretty buns unexpected..

Portrait of depressed man touching head with arm while feeling pain after training 免版税图像

#116484246 - Portrait of depressed man touching head with arm while feeling..

Desperate upset teen girl victim crying alone at home, sad abused young woman in tears feeling depressed heartbroken offended bad having problems, unexpected pregnancy, regret mistake abortion

#116534838 - Desperate upset teen girl victim crying alone at home, sad abused..

Close up photo beautiful amazing she her lady arms hands raised up look up empty space helpless hopeless ask why me not fear situation wear casual white t-shirt isolated yellow bright background 免版税图像

#123698214 - Close up photo beautiful amazing she her lady arms hands raised..

Shy or bored mixed race woman sitting at table in cafe during speed dating indifferent to the conversation lost in thoughts, unsuccessful first acquaintance unlucky failure of romantic date concept

#122244601 - Shy or bored mixed race woman sitting at table in cafe during..

Pensive aged businesswoman in glasses sit at office desk thinking of problem solution, thoughtful senior woman worker in glasses look at laptop screen hold document pondering or making decision 免版税图像

#129607102 - Pensive aged businesswoman in glasses sit at office desk thinking..

Copy space on black background next to face of worried man with problem

#129864290 - Copy space on black background next to face of worried man with..

young hispanic man loosing tie on grey background. He is feeling that can not breathe. danger of asphyxiation

#114074583 - young hispanic man loosing tie on grey background. He is feeling..

Worried frustrated woman looks nervously, bites finger nails, watches horror moving strilling film. Nervous excited student worries before exams, isolated blue background

#130652678 - Worried frustrated woman looks nervously, bites finger nails,..

Woman suffering from headache on white background

#115328004 - Woman suffering from headache on white background

Sick little child girl with epileptic seizures on the street,daughter suffering from seizures,illness with epilepsy during seizure attack,asian young woman or mother care of girl patient,brain,nervous system concept 免版税图像

#130470679 - Sick little child girl with epileptic seizures on the street,daughter..

#127523884 - Close up side profile photo she her lady displeased hopeless..

Tired businessman sleeping on counter bar at coffee shop with document, laptop and cup of coffee.

#110117755 - Tired businessman sleeping on counter bar at coffee shop with..

Stubborn annoyed woman sticking plug fingers in ears not listening to loud noise sound isolated on white blank studio background, young angry teen refuse hear avoid stress feel ear pain ache concept 免版税图像

#116390863 - Stubborn annoyed woman sticking plug fingers in ears not listening..

depressed woman covering face with hands and crying at home through window with raindrops and copy space

#117397613 - depressed woman covering face with hands and crying at home through..

Angry male employee confused working at computer, solve business problems on phone, mad worker talk on cell arguing with client or customer, man busy at pc having serious conversation on cellphone 免版税图像

#112479827 - Angry male employee confused working at computer, solve business..

Young female with commission in having job interview 免版税图像

#111267792 - Young female with commission in having job interview

Male manual visceral therapist masseur treats a young female patient. Edit the internal organs and the elimination of adhesions in the stomach

#122547487 - Male manual visceral therapist masseur treats a young female..

emotional office lady got home from fired by boss. young businesswoman lost her job and feel depressed resting on the couch and thinking the way to deal with this problem. woman worried serious sit.

#112895528 - emotional office lady got home from fired by boss. young businesswoman..

Close up photo amazing beautiful her she lady unbelievable look up empty space oh no expression hold head arms hands wearing blue teal green everyday short dress clothes isolated yellow background 免版税图像

#119451635 - Close up photo amazing beautiful her she lady unbelievable look..

Sweaty nervous businessman feeling panic attack fear afraid before public speaking, stressed speaker presenter or applicant sweating wiping forehead anxious worried about job interview performance

#112485555 - Sweaty nervous businessman feeling panic attack fear afraid before..

Rear view at stressed nervous middle aged senior old business woman applicant waits for job interview holding papers behind back preparing for performance feel afraid of public speaking fear concept.

#112485287 - Rear view at stressed nervous middle aged senior old business..

Close up portrait of attractive woman

#117124476 - Close up portrait of attractive woman

Diverse business people applicants sit in row line queue waiting for their turn, african, asian and caucasian unemployed seekers group preparing for job interview, human resources employment concept

#117289437 - Diverse business people applicants sit in row line queue waiting..

infographics spinal cord and reflexes. Central nervous system.

#51177184 - infographics spinal cord and reflexes. Central nervous system.

Medically accurate vector illustration of human feet, includes nervous system, veins, arteries, etc. 矢量图像

#52254143 - Medically accurate vector illustration of human feet, includes..

Nervous System with Lymph Nodes

#105318286 - Nervous System with Lymph Nodes

Nerves labelled

#33834857 - Nerves labelled

Anatomy of a typical multipolar neuron: dendrite, cell body (soma), axon and terminal

#38745782 - Anatomy of a typical multipolar neuron: dendrite, cell body (soma),..

Human Brain Section Illustration

#30442997 - Human Brain Section Illustration

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关于123RF

关于

特征

博客

指导课程

服务

Corporate+

123rf合作伙伴计划

123RF联盟计画

优惠代码

政策

Legal

执照

隐私声明

权力条规

123RF-Cookie政策

国际

Русский язык

Português (PT)

支持

需要帮助吗？请联络您的客户经理

@ 1 866 655 3733

联络

协助中心

联系我们

Follow us on Twitter

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