Exam 4

2. carries air to and from your lungs
6. a form of energy that excites receptor endings of a sensory neuron
9. detects light energy
11. thin respiratory organs that can be internal or external increasing surface area for gas exchange
13. awareness of stimuli
16. responds to a specific change in temperature
17. type of sensation having to do with touch signals from receptors in the skin, joints and skeletal muscles
19. responds to mechanical energy
20. yellow portion of blood containing electrolytes, nutrients, vitamins, antibodies..etc
23. blood vessels that return oxygen depleted blood to the heart
24. light sensitive layer of tissue located at the back of the eye
25. sac-like internal respiratory organ

1. perception of a somatic or visceral tissue injury
3. detects specific solutes dissolved in fluids and also function in taste and smell
4. is the psychological process by which and animal exchanges oxygen and carbon dioxide with its environment
5. muscular organ that pumps blood throughout your body
7. occurs when light is processed by the eye and interpreted by the brain
8. controls the light that reaches the eye by adjusting the size of the pupil
10. thin muscular tubes carrying oxygenated blood away from the heart
12. protects lower respiratory tract from aspirating food into the trachea
14. provides a passageway for air to travel from mouth to nose then to lungs
15. perception of sound
18. iron-containing respiratory protein that transports oxygen in the blood of vertebrates
21. type of sensation signals from sensory neurons in ways of internal organs
22. receives air from the nasal cavity; air, food and water from the oral cavity