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$15.00 I need help with this assignment.
- From Biology: General-Biology
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- Due on Jul. 13, 2011
- Asked on Jul 10, 2011 at 10:29:00PM
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- Posted on Jul 10, 2011 at 11:56:51PM
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Preview: ... HIS YOUR FI ...
The full tutorial is about 9 words long plus attachments.
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- Posted on Jul 11, 2011 at 5:29:37PM
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Preview: ... n hypothalamus also monitor the temperature of the body and send signals to the thermoregulatory center of the hypothalamus (the integrator) when a change in temperature is detected (IHW, 2006). The thermoregulatory center then sends a signal via motor neurons to the effectors which are the organs involved in increasing body’s temperature (Nilssons, 2004).
The body’s response in increasing the temperature is to inactivate sweat glands and increase the production of adrenaline and thyroxin which causes an increase in the metabolism of the body thereby generating more heat (IHW, 2006). Moreover, the body responds by constricting the blood vessels (vasoconstriction) which causes arterioles to get smaller and decrease the blood flow to the skin to keep internal organs warm. In addition, the response increases shivering which leads to the contraction of muscles that generate heat through friction. Another response is piloerection which causes the hair on the body to stand up in order to trap more heat on the skin (IHW, 2006).
Body’s response in increasing the body temperature is a negative feedback as the body tries to suppress or reverse t ...
The full tutorial is about 786 words long plus attachments.