The optic vesicles are the first eye structures to form during embryonic development, and are the future ________ of the eye.

A. cornea
B. sclera
C. choroid
D. lens
E. retina


Answer: E

Anatomy & Physiology

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Cell bodies are myelinated

Indicate whether the statement is true or false.

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Smokers are more susceptible to respiratory infections because

A. they congregate in small areas to smoke. B. the respiratory passages have too little mucus. C. their respiratory passages lose cilia, which would otherwise remove bacteria. D. their respiratory passages overproduce cilia, to which bacteria cling.

Anatomy & Physiology

Changes in blood osmolarity that turn off the thirst center also increase the release of ADH from the pituitary gland.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

When you reach up to scratch your nose, you have to _______ your elbow.

Fill in the blank(s) with the appropriate word

Anatomy & Physiology