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Rainbow [258]
3 years ago
7

Explain the steps/process the body takes in order to raise the level of calcium in the blood

Biology
1 answer:
djyliett [7]3 years ago
3 0
After sensing a drop in calcium levels in the body,parathyroid hormone from the parathyroid glands will be secreted in a negative feedback mechanism of homeostasis
first the parathyroid hormone stimulates release of calcium ions from the bone through the process of bone reorption
then the parathyroid hormone will reduce urinary excretion of calcium by increasing its re absorption in the nephron
finally , the parathyroid hormone will increase the rate of vitamin d synthesis in the small intestine to yield more calcium
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Answer:

The correct answer is option - C. low power objective.

Explanation:

In microscopes, low power objectives have a wide field of view and use to study the many smaller specimens or large specimens. 10X is the power of the low objective.

To study the depth of the field the lower objective rotated and aligned on the place over the specimen. When you move to high power objective the field of view gets close in and only can study the smaller specimen or small section of a large specimen.

Thus, the correct answer is option - C. low power objectives.

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