ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
ENDOCRINE ORGANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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only noticeable when we hit puberty.
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signals sent to nerves.
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reactions produced through the movements of endocrine glands.
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special chemical messengers created in the endocrine glands.
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Detailed explanation-1: -Hormones act as chemical messengers that are released into the blood stream to act on an organ in another part of the body. Although hormones reach all parts of the body, only target cells with compatible receptors are equipped to respond. Over 50 hormones have been identified in humans and other verterbrates.
Detailed explanation-2: -They are called chemical messengers because they carry information from endocrine glands to various parts of the body.
Detailed explanation-3: -Hormones are the chemical signaling molecules produced by the endocrine glands and secreted directly into the bloodstream. They travel through the blood to distant tissues and organs, where they can bind to specific cell sites called receptors.
Detailed explanation-4: -Hormones are the body’s chemical messengers. They carry information and instructions from one set of cells to another.