Blood volume. If you are tired and no blood is able to get to your body and you heart keeps going faster your heart is probably going to fail.
The calorie- expenditure is about 161
Answer: The 3 parts of the nervous system are the central nervous system (NS), peripheral (NS), and the Automatic (NS). The central nervous system includes the brain and spinal cord and it Receives, interprets, processes, and creates messages. The peripheral (NS) carries impulses (messages) to and from the central (NS). And the automatic (NS) creates involuntary responces based on what signals the Central (NS).
Answer:
the last three are just ugh but i think it would be the first one because they are like actually touching you