BIOLOGICAL BASES OF BEHAVIOR
THE NERVOUS AND ENDOCRINE SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They are secreted in one place and most often act at another.
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They are distributed by the nervous system.
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They are found only in vertebrates.
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They are secreted into specialized ducts for transport.
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Detailed explanation-1: -Q. Which statement best describes the chemical substances secreted by endocrine glands? They are secreted into specialized ducts for transport.
Detailed explanation-2: -Hormones are chemical substances which are secreted by our endocrine glands. They control the changes occuring in our body.
Detailed explanation-3: -Endocrine glands-secrete chemical substances called hormones directly into the bloodstream for transport to target tissues. There are more than 20 steroid hormones in the body, ie. cortisol, cortisone, estrogen, progesterone, testosterone.
Detailed explanation-4: -A hormone is a regulatory chemical that is secreted into the blood by an endocrine gland or an organ of the body exhibiting an endocrine function.
Detailed explanation-5: -Which of the following BEST describes the function of the endocrine system? The correct option is c. a. The endocrine system secretes hormones into the bloodstream.