Answer:
Explanation:
U might selectively breed cats for desired characterisitcs like having a cat with less fur or a cat with a certain type of colour.
I think 131 but I’m not to sure...
The countercurrent heat exchanger that prevents arterial blood from overheating the testes is the pampiniform plexus of veins. The pampiniform plexus helps to regulate testicular temperature, allowing sperm maturation. It surrounds the testicular arteries and works as a countercurrent heat-exchanger system to cool the arterial blood before entering the testes. This is because the sperms can not develop if the testis is at body temperature.