Nerve and neuron sound similar to most people‚ but they are two different components of the body (Martini‚ 375). Nerves are found only in the peripheral nervous system‚ while neurons are found in the brain‚ spinal cord‚ and peripheral nerve (Martini‚ 375). Neurons are nerves cells that are specialized for intercellular communication (Martini‚ 375). A neuron is composed of a cell body‚ dendrites and axon (Marieb‚ 376). A nerve is a bundle of axons or dendrites that is wrapped in connective tissues
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REVIEW SHEET EXERCISE 6 Cardiovascular Physiology NAME: LAB TIME/DATE: 1. Define each of the following terms: • autorhymicity- The heart is autorhythmic. This means it generates its own rhythmic action potential independent of the nervous system. • sinoatrial node- is the impulse-generating (pacemaker) tissue located in the right atrium of the heart‚ and thus the generator of normal sinus rhythm. • pacemaker cells- are specialized cells that cause involuntary muscles and tissues to
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R E V I E W S H E E T 30 Anatomy of the Heart Gross Anatomy of the Human Heart 1. An anterior view of the heart is shown here. Match each structure listed on the left with the correct letter in the figure. g j r u b k d n a 1. right atrium 2. right ventricle 3. left atrium c a b o 4. left ventricle 5. superior vena cava 6. inferior vena cava 7. ascending aorta 8. aortic arch 9. brachiocephalic artery 10. left common carotid artery 11. left subclavian artery 12. pulmonary trunk 13. right
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Impulse control disorders are conditions in which the afflicted cannot control his or her actions. Examples of Impulse control disorders include Pyromania and Kleptomania‚ the uncontrollable urge to set fire to something and the urge to steal something usually invaluable for the sheer rush of stealing‚ respectively. Both these disorders sound like excuses to illegal activities but studies show that only 5% of shoplifters can be diagnosed with Kleptomania and less that 2% of people accused of arson
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Optic Nerve The optic nerve is located in the back of the eye and is also called second cranial nerve and cranial nerve II. the optic nerve is to transfer visual information from the retina to teh vision centres of the brain via electrical impulses. It is made up of ganglionic cells or nerve cells and consists of more than 1 million nerve fibres . Our blind spot is caused by the absence of specialised photosensitive/light-sensitive cells or photoreceptors; the part of the retina where the optic
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Biology Midterm Review Sheet *** This is a general review sheet. It covers the main concepts from each chapter. You should also review your notes‚ vocab notecards‚ quizzes‚ tests‚ and labs to thoroughly prepare for this exam. The midterm will consist of 80 multiple choice and 8 free response questions. Note: For the midterm you will need a blue or black pen‚ a pencil‚ and a calculator. What you should focus on from the textbook: Unit 1- Introduction to Biology (ch. 1) Independent vs
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R E V I E W S H E E T EXERCISE 1 Print Form The Language of Anatomy Surface Anatomy 1. Match each of the following descriptions with a key equivalent‚ and record the key letter or term in front of the description. Key: a. b. buccal calcaneal 1. 2. 3. c. d. cephalic digital e. f. patellar scapular 4. 5. 6. anterior aspect of knee heel of foot pertaining to the head cheek pertaining to the fingers shoulder blade region 2. Indicate the following body areas on the accompanying diagram
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The Bronx Science Geometry Teachers Proudly Present… THE (ULTIMATE) GEOMETRY REVIEW SHEET (2012 Edition) Some General Information The Regents Exam Basics: Time: 3 hours Problems: 38 ● Part I: 28 multiple choice problems (2 pts each) = 56 pts ● Part II: 6 short answer problems (2 pts each) = 12 pts ● Part III: 3 short answer problems (4 pts each) = 12 pts ● Part IV: 1 long answer problem (6 pts each) = 6 pts ● Total: 86 pts
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IMPULSE CONTROL DISORDERS Many of the self-control disorders involve disturbances in the ability to regulate an impulse - an urge to act. People with impulse control disorders act on certain impulses involving some potentially harmful behavior that they cannot resist. Impulsive behavior in and of itself is not necessarily harmful; in fact‚ we all act impulsively upon occasion. Usually our impulsive acts have no ill effects‚ but in some instances they may involve risk. Consider the following
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Exam #2 Review Sheet Chapter 9 Understand the relationship between body composition‚ age‚ gender & fluid Fluid composition of tissue varies by: Tissue type: lean tissues have higher fluid content than fat tissues Gender: males have more lean tissue and therefore more body fluid than females Age: decrease in body water results partly from loss of lean tissue as people age Understand how fluid is distributed in the body (intracellular vs. extracellular) Intercellular : distributed within
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