Ch 3 Health Test

4. skin receptors that identify light touch or pressure
5. the special chemicals that transmit messages from one neuron to another
8. colored part of the eye; contains muscles to open and close pupil
9. neuron that relays signal from CNS to body
11. the type of fluid that cushions and protects the brain and spinal cord
12. part of the brain stem that regulates breathing, blood pressure and swallowing
14. transparent covering of the eye; sits overtop the iris
15. prefix for muscle
19. portion of the eye that bends/refracts light towards the back of the eye
20. which brain lobe analyzes senses like temperature, pressure and pain
21. thin layer of nerve cells at the back of the eye that captures a visual images into nerve impulses
23. skin receptors that identify the temperature of the environment around you
24. thin membrane within the ear that vibrates with sound waves
25. type of cell not easily replaced if they die
26. the most common types of anxiety disorders are ___ disorders

1. a mental disorder that causes a person to not eat because they perceive himself or herself as overweight
2. the nervous system is responsible for the body functions you consciously control
3. two parts of the central nervous system are brain and ___.
6. portion of the brain that controls skeletal muscles when doing complex activities like swimming
7. part of nervous system that is skipped in a reflex
10. what brain lobe controls thoughts, consciousness, personality
13. process information in the peripheral nervous system
14. fluid-filled chamber that amplifies sound waves
16. part of a neuron receives signals from other neurons
17. nerve The bundle of nerves that transmit impulses from the eye to the brain
18. The outermost, white portion of the eye
22. Prolonged exposure to over 100 decibels (dB) can cause ____ loss