In the first step of spermatogenesis, spermatogonia differentiate into cells called:

a. spermatids
b. primary spermatocytes
c. secondary spermatocytes
d. spermatozoa
e. spermatophytes


Answer: b. primary spermatocytes

Anatomy & Physiology

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Under normal circumstances, the parasympathetic system would be stronger than the sympathetic system.?

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