The answer would be A. meteoroid that travels through earths atmosphere and hits the surface.
Answer: C. increases, increases, increases
Explanation: With adrenaline, more glucose is released from the liver into the blood if it has dropped too low. Pulse rate also increases along with more muscle strength which, ultimately, causes your breathing rate to increase.
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<u>Answer</u>:
The activation of parasympathetic nervous system results in the relaxation of the GI tract.
<u>Explanation</u>:
Parasympathetic nervous system helps the brain to understand that the danger is now over and it can relax. Hormones named corticotropin and adrenocorticotropin which are realising the body to start working against danger is now going to be relaxed with relaxation of parasympathetic nervous system. This is how sympathetic and parasympathetic nervous system works together co-ordinate together in fight or flight mechanism of the nervous system.
The body fight or flight response is under the control of sympathetic nervous system, which is one part of autonomic nervous system. The another part is parasympathetic nervous system that relaxes and slow down the body's response.