Answer:
At a more integrative level, the primary function of the nervous system is to control and communicate information throughout the body. It does this by extracting information from the environment using sensory receptors. This sensory input is sent to the central nervous system, which determines an appropriate response.
Explanation: The nervous system is involved in receiving information about the environment around us (sensory functions, sensation) and generating responses to that information (motor functions, responses) and coordinating the two (integration).
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B. Being at least 15 percent underweight.
Hope this helps C:
Reituki. I am sure about this one
Teenages perceive sexual activities as exciting and good. They think that is will be OK if they go ahead and try those things. When in reality, it will put them in greater risk of STD's or STI's, or an unwanted pregnancy. :)