HHH
I have a lecture on embryology.

HHH
So much new I learned.

WOWU
For example?

HHH
Numerous sperm surround the egg and secrete enzymes, under the influence of which follicular cells are disconnected from the egg. Spermatozoa by synchronous beating of the claws rotate the egg at a rate of 4 twists per minute (up to 12 hours!) is

WOWU
This is shameful)

HHH
So that’s why it’s sick during pregnancy – the egg cells stinked :-D