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Concepts Of Lifetime Fitness
Beginning of essay
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 pressure during
strenuous physical activity or exercise. Alt ....
Middle of essay
....edical world has taken advantage
of this by inducing hypothermia in patients that are undergoing organ
transplants.
To fight temperatures higher than normal, as in exercise or on hot days, the
body reacts in the opposite way than with cold. Again, the hypothalamus detects
the change of temperature in the blood. The brain signals blood vessels not to
constrict, but to dilate. This increases the diameter of the vessels, and
results in the need for more blood. Since more blood is needed to fill.... |
| Number of words: 658 |
Approximate pages: 3 |
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