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.
Answer:
B or O
Explanation:
The same type (B) or the universal donor (O) In transfusions individuals with type O blood are often called universal donors.
Explanation:
BB=Brown as both are big B's
Bb=Brown as there is a big B
bb=Blue as both are little b's
Yes the aryotic Parts play posific parts
Answer:
4 kcal per gram of carbohydrate
