During spermatogenesis, the first meiotic division yields two ____, and the second meiotic division yields four ____

a. primary spermatocytes, secondary spermatocytes
b. secondary spermatocytes, spermatids
c. spermatids, spermatozoa
d. spermatogonia, primary spermatocytes
e. none of these answers.


B

Anatomy & Physiology

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Which of the following are anthropometric factors?

A. the length of a forearm B. the shape of a body C. the weight of the trunk D. all of the above

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Indicate whether this statement is true or false.

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When the body is too warm, dermal blood vessels will undergo ________ in order to increase heat loss.

Fill in the blank(s) with the appropriate word(s).

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