Biology, 25.11.2020 01:10 mslamaya11
It essential that the human body maintain adequate levels of calcium at all times. A drop In levels stimulates the parathyroid gland to release regulatory hormonesOn the other hand, excess calclurn in the body signals the thyrold gland to fix the calcium the bones, thereby reducing the amount of calcium the blood. What does this process best exemplify?
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Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm
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Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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Which is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.
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Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax
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It essential that the human body maintain adequate levels of calcium at all times. A drop In levels...
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