Give a long answer to the question given below:
Given below are some situations. Examine them and explain their possible effects on an individual:
Answer variants:
motility
increasing
infertility
urethra
decreased
fertility
ureter
semen
a. The testes of a male fail to descend into the scrotum during embryonic development.
The condition given is leading to due to impaired sperm production and temperature.
b. The vas deferens in a man becomes blocked.
Sperm cannot reach the , causing infertility due to azoospermia (absence of sperm in semen).
c. The prostate gland and seminal vesicles are non-functional.
The condition given reduces volume and deprives sperm of nutrients and a medium for , causing infertility.