Multiple Choice
Which of the following is NOT representative of endocrine glands?
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43. Endocrine System
Endocrine System
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Which of the following is the primary product secreted by the endocrine system?
A
Hormones
B
Enzymes
C
Neurotransmitters
D
Antibodies
Verified step by step guidance1
Step 1: Understand the role of the endocrine system. The endocrine system is responsible for regulating various physiological processes in the body by secreting chemical messengers directly into the bloodstream.
Step 2: Identify the primary product of the endocrine system. The chemical messengers secreted by the endocrine system are called hormones, which travel through the blood to target organs and tissues to elicit specific responses.
Step 3: Differentiate hormones from other substances listed in the options. Enzymes are biological catalysts that speed up chemical reactions but are not secreted by the endocrine system. Neurotransmitters are chemical messengers used by the nervous system to transmit signals between neurons. Antibodies are proteins produced by the immune system to fight pathogens.
Step 4: Recognize that hormones are unique to the endocrine system. Hormones are the primary product secreted by endocrine glands such as the pituitary, thyroid, adrenal glands, and others.
Step 5: Conclude that the correct answer is 'Hormones,' as they are the primary product secreted by the endocrine system to regulate bodily functions.
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