The ovum is released from the ovary in the ............. stage.

Spermiogenesis or spermateliosis is:

What is the number of chromosomes in a human sperm?

In which part of the sperm are mitochondria found?

The testes of a great majority of mammals are typically enclosed in an extra-abdominal sac,the scrotum. The temperature inside the scrotum is lower than that in the abdomen. What will happen if the temperature of the scrotum is artificially maintained at the level of abdominal temperature?

How long does it take on average for spermatogenesis to be completed in humans?