MICROANATOMY

ENDOCRINE ORGANS AND RESPIRATORY SYSTEM

ENDOCRINE ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Once secreted into the blood stream, hormones can act on any cells.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -This statement is False. Hormones can have different effects on different target cells. One example of this is the hormone insulin, which is released after we eat a meal. Insulin stimulates different processes in various cells to help lower blood sugar.

Detailed explanation-2: -Endocrine glands secrete hormones straight into the bloodstream. Hormones help to control many body functions, such as growth, repair and reproduction.

Detailed explanation-3: -Although hormones reach all parts of the body, only target cells with compatible receptors are equipped to respond.

Detailed explanation-4: -Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body. The endocrine hormones help control mood, growth and development, the way our organs work, metabolism, and reproduction.

Detailed explanation-5: -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.

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