When blood calcium levels drop, glands embedded in the posterior thyroid secrete parathyroid hormone, which stimulates osteoclastic activity. It is made up of parathyroid glands that lie behind the thyroid glands. The reason why it is important because it controls calcium level in the blood and within the bones. It controlled by the low calcium levels in the blood it restorative parathyroid secretion whereas the high calcium levels in the blood stop the release of parathyroid hormone.
Answer:
C
Explanation:
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Answer:
The nucleus is an organelle found in most eukaryotic cells, the exception being red blood cells. ...
The primary functions of the nucleus are to store the cell's DNA, maintain its integrity, and facilitate its transcription and replication.
Plants make carbohydrates through the process of
photosynthesis. When the leaves of the plants absorb the sunlight, they use
this energy to combine water with carbon dioxide. The by-products of mixing carbon
dioxide and water are glucose and cellulose.
<span>Photosynthesis is a unique trait that separate
plants from other living organisms. They can provide the necessary nutrients to
help sustain themselves and survive for longer periods of time. When
carbohydrates are in excess, plants have the ability to store and use them when
one of the ingredients of photosynthesis is not available. </span>
