Why does sperm development occur in an external structure of the body?
to give sperm easier access to the urethra
to allow easier blood flow
to manage sperm's temperature
to keep it separate from the rest of the body
DONE

To manage sperm's temperature.

Explanation:

Because the testicles can move depending on heat. They come closer to the body in the cold, farther out in heat.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.