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:
Intestines
Explanation:because if you don't have them then you will not survive because you need them to go number one and number two if youndont then you will blow up your belly.
Plant-like protists get there food from photosynthesis, which is the process of converting sunlight into energy.