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.
Bears sweat during hibernation because of their fur. Their sweat is actually very valuable in chinese traditional medicine so that could be a problem I guess. I hope this helps.
Answer:
I would have to say c I have learned this type of stuff in the past
False; Alpha particles rarely penetrate human skin, but beta and gamma particles can and are considered very dangerous.
+/+ = mutualism
+/0 = commensalism
+/- = parasitism or predation