- 1. The pigmented disk with an opening to control the amount of light entering the eye is called..
A) pupil
B) iris
C) retina
D) cornea
- 2. The protective, outer membrane that forms the "white of the eye" is called...
A) sclera
B) iris
C) retina
D) pupil
- 3. At the back of the eye, at the optic nerve where there is no sensitivity to light is called..
A) retina
B) sclera
C) pupil
D) Iris
- 4. A bundle of more than one million nerve fibers that carries visual messages from the retina to the brain.
A) audio nerve
B) olfactory nerve
C) retina
D) optic nerve
- 5. The thin membrane that moves with the rhythm of sound wave vibrations...
A) olfactory nerve
B) retina
C) cornea
D) eardrum
- 6. Which layer of skin is constantly flaking off and being renewed?
A) dermis
B) sclera
C) epidermis
D) hypodermis
- 7. Which is the middle layer of skin where nerves and sweat glands are?
A) epidermis
B) hypodermis
C) dermis
D) sclera
- 8. If your eyesight is good for reading but not good for distance you are considered to be...
A) near-sighted
B) far-sighted
- 9. The nerve that sends the sense of smell to the brain is called...
A) Dermis
B) Optic Nerve
C) Olfactory Nerve
D) Audio Nerve
- 10. The largest organ in your body is your...
A) Skin
B) Brain
C) intestine
D) Lung
- 11. True or False: The human tongue has between 3,000 and 10,000 taste buds.
A) True
B) False
- 12. The sense of smell is closely related to what other sense?
A) Hearing
B) Touch
C) Taste
D) Sight
- 13. The tip of the tongue pick up what type of taste?
A) salty
B) bitter
C) Sweet
D) sour
- 14. True or False: Some animals have a better sense of smell than humans?
A) True
B) False
- 15. The nasal cavity helps with which sense?
A) smell
B) hearing
C) sight
D) touch
- 16. True or False: Our skin is the main sensory organ for touch.
A) True
B) False
- 17. Which of the following parts is NOT in the inner ear?
A) hammer
B) sclera
C) ear canal
D) eardrum
- 18. People who have a hard time seeing things up close are...
A) Near-Sighted
B) Far-sighted
- 19. What area of the tongue do we taste bitterness?
A) sides
B) back
C) middle
D) tip
- 20. True or False: As we age our senses decrease.
A) True
B) False
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