Multiple choice

Sperm motility is caused by

  1. seminiferous tubules

  2. vas deference

  3. epididymis

  4. seminal vesicle

  5. prostate gland
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In epididymis sperm develops the capability of motility, but several inhibitory proteins in epididymal fluid still prevent final motility until after ejaculation. So, this answer is right.

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