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(in some cosmological theories) nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles (cold dark matter) or high-energy randomly moving particles created soon after the Big Bang (hot dark matter).
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Answer:
The Kidneys help the body by filtering waste from foods, medicine, and other toxic substances. They also create hormones that help produce red blood cells and keep blood pressure relatively normal.
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Angiotensin Polypeptide Hormone It is a blood polypeptide that produces vasoconstriction, increased blood pressure and release of aldosterone through the adrenal cortex.
Adrenal. Angiotensin II acts on the adrenal cortex, causing the release of aldosterone, a hormone that causes the kidneys to retain sodium and lose potassium.
Excess sodium in the blood can be caused by certain conditions. Specific causes of hypernatremia include: Dehydration or loss of body fluids from prolonged vomiting, diarrhea, sweating or high fever. Dehydration for not drinking enough water.
