What type of signals does the nervous system send? What carries these signals?

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which best describes carbon dioxide’s path out of the body