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hammer [34]
3 years ago
8

Prostaglandins: A. stimulate smooth muscle contraction. B. have four-membered rings and are derived from arachidonic acid. C. ar

e a subset of leukotrienes. D. inhibit the aggregation of platelets. E. inhibit inflammation.
Biology
1 answer:
nevsk [136]3 years ago
4 0

Answer:

The correct answer is option A, that is, stimulate smooth muscle contraction.

Explanation:

A group of lipids and a hormone that plays an essential role in monitoring the process of the formation of blood clots, stimulation of labor, the flow of blood and inflammation is known as prostaglandins. The hormone prostaglandin takes part in various kinds of body functions like the relaxation and contraction of the smooth muscles at the time of childbirth, monitoring blood pressure, dilation and constriction of blood vessels, and produce inflammation at the site of infection or tissue damage.  

Prostaglandins possess five-membered rings and are obtained from the fatty acid, arachidonic acid. At the time of blood vessel injury, thromboxane, that is, a form of prostaglandin enhances the process of blood clot formation so that the injury site gets heal quickly.  

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Answer:

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Explanation:

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CNS is the abbreviation of Central Nervous system. CNS controls the whole body functions so it is the most important component of the body. CNS consist of two parts 1) Brain and 2) Spinal cord

Both of these organs are very important and hence need to be protected. Nature provided these organs with certain protective mechanisms these includes

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2) Meninges:

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3) Cerebrospinal fluid:

This fluid is present inside meninges which nourishes the brain and protect it from mechanical stresses.

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Answer:

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