These ensure that the organism functions as a whole. The head of the sperm contains ... The nerve cell is extended, so that nerves can run to and from different parts of the body to the central ...

Their findings, drawn from studies in zebrafish, mice, and human cells, show how ... molecular connection between sperm and egg. They also demonstrated how it functions in living things.

sperm, eggs, nerve cells, muscle cells, ciliated cells, and villi. Get it, lark? Anyone…? Okay let's move on. An animal cell is made of three main parts a nucleus, cell membrane and cytoplasm ...

A recent study published in Nature Communications suggests that stress may boost sperm respiration (energy production) and motility (movement) in both mice and men, with effects emerging several ...