This is a short summary of the paper
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Concepts Of Lifetime Fitness
Start of Term Paper
September 1, 1997
Homeostasis is the state of equilibrium in which the internal environment of the
human body remains relatively constant. Two excellent examples of homeostasis
are how the body maintains a constant temperature and blood pressu .... Middle of Term Paper
... chemical and electrical impulses to the muscles. These impulses tell the
muscles to begin to contract and relax at very high intervals. This is commonly
known as shivering. The production of Adenosine Triphosphate or ATP in the
mitochondria of the muscles produces heat. If the body temperature does not
rise immediately after this, then a second function begins. The brain will
signal the blood vessels near the skin to constrict or narrow in diameter. This
occurs so the heat deep in the muscles is conserved. Since the vessels are now
smaller in diameter, less blood is needed to fill them. Since less blood is
needed through the ... |
| Number of Words: 658 |
Approximate Pages: 3 |
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