3. What portion of the brain looks like a tree in cross section? 4. What is the
ID: 3164519 • Letter: 3
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3. What portion of the brain looks like a tree in cross section? 4. What is the most posterior portion of the brain stem? 5. What cerebral lobe is associated with the sense of vision? 6. What structures protect the spinal cord? What makes the white matter of the spinal cord appear white? 8. What type of neuron is found completely within the central nervous system? 9. What type of neuron is responsible for transmitting nerve impulses from the spinal cord 10. what part of the eye refracts and focuses light rays? 11. What part of the ear contains the sensory receptors for 12. What is the anatomical name for the eardrum that picks up sound waves? 13. What layer of the skin contains Meissner and Pacinian corpuscles? 14. What are the names of the chemoreceptors that respond to molecules in air and water? to an effector? ?? hearing? Thought Questions 15. Explain why people who develop cataracts (cloudy eye lenses) require surgery to implant new lenses. When you stared at the dark cross with your left eye, why did the dark circle "disappear" from view as you moved the illustration toward you? 16. 7. In a drag race, drivers must wait until the green light is illuminated before they can move their vehicle. Explain why a time delay exists, based on the information presented in this exercise.Explanation / Answer
3) Portion of the brain looks like a tree in cross section - Arbor vitae of cerebellum.
The arbor vitae is structure of cerebellum, which has tree-like appearance due to it's branching. It brings sensory and motor information to and from the cerebellum.
4) The most posterior portion of the brain stem - Medulla oblongata.
The medulla oblongata is the lowest and most portion of the brainstem.
5) The cerebral lobe is associated with the sense of vision - Occipital Lobe.
The Occipital Lobe is present at the back of the skull. It controls sense of vision.
6) Structures protect the spinal cord - Vertebrae of vertebral column and meninges.
Vertebrae and meninges two structures protect the spinal cord.Spinal cord is protected by vertebrae of vertebral column and three layers of membranes known as meninges.
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