1. The skeletal muscles are controlled by the brain stem autonomic nervous system somatic nervous system cerebellum 2. What is the function of the oligodendrocytes? create myelin layer clean up cellular debris supply blood and nutrients alert the body to an infection 3. The cells that make up the nervous system are called: glial neurons myelins terminals 4. What ions are necessary for a nerve impulse to occur? carbon and sodium oxygen and carbon potassium and sodium hydrogen and potassium 5. Gaps between the myelin sheath along an axon are called: dendrites chromatophilic substance astrocytes nodes of ranvier 6. Which cell connects neurons to blood vessels? astrocyte oligodendrocyte glial myelin 7. The chemical that moves from the axon of one neuron across a gap to the dendrite of another is a(n): gray matter theshold stimulant sodium neurotransmitter 8. White matter appears white due to: no blood supply myelin lack of nuclei electrical charges 9. A threshold stimulus results in the creation of a(n): wave node of ranvier neurotransmitter action potential 10. Reflexes (such as the knee-jerk reflex) occur when impulses travel from the muscle to the ______ and then back to the muscle. brain spinal cord dendrite axon
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The skeletal muscles are controlled by the wutonomic.nervous system omatic nervous system Ocerebellum. Show moreā¦
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1. The skeletal muscles are controlled by the autonomic nervous system. 2. What is the function of the oligodendrocytes? - Create myelin layer - Clean up cellular debris - Supply blood and nutrients - Alert the body to an infection 3. The cells that make up the nervous system are called neurons. 7. The chemical that moves from the axon of one neuron across a gap to the dendrite of another is a neurotransmitter. 8. White matter appears white due to myelin. 9. A threshold stimulus results in the creation of an action potential. 4. What ions are necessary for a nerve impulse to occur? - Carbon and sodium - Oxygen and carbon - Potassium and sodium - Hydrogen and potassium 10. Reflexes (such as the knee-jerk reflex) occur when impulses travel from the muscle to the spinal cord and then back to the muscle. 5. Gaps between the myelin sheath along an axon are called nodes of Ranvier. 11. Which cell connects neurons to blood vessels? - Astrocyte - Oligodendrocyte - Glial - Myelin
Madhur L.
1. Organization of the nervous system (CNS, PNS, SNS, ANS, parasympathetic, sympathetic, etc.) 2. Parts of a neuron 3. Types of sensory neurons 4. How are muscles and nerves similar anatomically? (hint: think of connective tissue layers, and more) 5. How many glial cells are there compared to neurons? What are some glial cells functions? 6. How does an action potential work? What is depolarization and what causes it?
1. Brain and Spinal Cord. A. Interneuron. 2. Helper Cell. B. Neuromuscular Junction. 3. Functional Cell. C. Dendrites. 4. Sensory Function. D. Neuroglial Cell. 5. Motor Function. E. Neuron. 6. Integration Function. F. Acetylcholine. 7. Enters Neuron. G. Central Nervous System. 8. Exits Neuron. H. Collects stimuli. 9. Neuron and Muscle. I. Axon. 10. Neurotransmitter. J. Sends Commands. 11. Cranial Nerves; Eyes, etc. K. Nodes of Ranvier. 12. Axon Branch. L. Axon Hillock. 13. Cell Body meets Axon. M. Myelin. 14. Bare Axon Spots. N. Collateral. 15. Insulates Axon. O. Peripheral Nervous System. 16. Dura mater P. Motor neuron 17. Gray matter Q. Reflex hammer 18. White matter R. Uses skeletal muscle 19. Arachnoid mater S. Neuron cell bodies 20. Pia mater T. Move hand away from heat 21. Reflex U. Cranial nerves 22. Visceral reflex V. Myelinated axons 23. Knee-jerk reflex (B) W. Innermost meninge 24. Withdrawal reflex X. Fast 25. Gray commissure Y. Sensory receptor 26. Starts reflex Z. Middle meninge 27. Sends command A-1. Sensory receptor 28. Responds to command B-1. Automatic; involuntary 29. Reason for reflexes C-1. Spinal nerves 30. Reflex speed D-1. Cerebrospinal fluid 31. Start neural pathway E-1. Uses smooth muscle 32. Nerves from brain F-1. Effector 33. Somatic reflex G-1. Protection 34. Fluid of nervous system H-1. Outermost meninge 35. Spinal cord nerves I-1. Bridges spinal cord
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