The Nervous System is the power source of your body. Using electrical impulses, your nervous system helps control your muscle movements. The two main functions are the Sensory(afferent) division- which brings information to your brain. Then your Motor(efferent) division- which sends signals out.
Helper T cells are very important cells in the adaptive immunity. They are required for almost all adaptive immune responses and They also help activate cytotoxic T cells and macrophages to attack infected cells.
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Kool if you know what I mean
Answer: D
Explanation: the continents wee once connected. It was known as Pangea
Answer:
The practice of physics, math, taxonomy, and more improved because of the scientific revolution.