CONNECTIVE TISSUE GLAND
ENDOCRINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Once secreted into the blood stream, hormones can act on any cells.
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Hormones are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. Most hormones circulate in blood, coming into contact with essentially all cells. However, a given hormone usually affects only a limited number of cells, which are called target cells.
Detailed explanation-2: -Endocrine glands secrete hormones straight into the bloodstream. Hormones help to control many body functions, such as growth, repair and reproduction. The endocrine system involves many organ systems and hormones, many of which are still being investigated and understood.
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