Answer:
[ANSWER]
Explanation:
When a molecule moves down its concentration gradient is it participating in passive transport; moving up the concentration gradient requires energy making it active transport.
The answer should be hypotonic solution
Sperm cells are produced in the Epididymis, to get to the urethra they must travel through the Vas deferens.
<span>The best response is that it reduces the effects of fragility and skin atrophy.</span>
