Answer:
B) sympathetic nervous system
Explanation:
The sympathetic nervous system controls the way the body quick involuntary response to harmful or stressful situations. A rush in hormones rapidly occur to quicken the body's alertness and heart rate to release extra blood to the muscles
It's route of Expression starts with the amygdala sending a distress signal to the hypothalamus which sends activation signals to the sympathetic nervous system via the autonomic nerves to the adrenal glands which help pump the hormone epinephrine (also known as adrenaline) into the bloodstream.
The purpose of the Open Door Policy was to collaborate with other nations to maintain a common price level for free trade in China. The Open Door policy started in 1899. The correct answer is B.
Interaction between two species as both attempt to use the same environmental resources is
Species
As you increase exercise and muscle activity, your heart rates increases. That is one feedback mechanism. Your heart delivers oxygen and nutrients to your muscle and other parts of the body quicker.
