Which of the following distinguishes endocrine and exocrine glands from one another?
A. The biochemistry of their secretions
B. The effect their secretions have on the target cells
C. The presence or absence of nerve innervation
D. The presence or absence of ducts
Option d is the correct answer. the endocrine glands secret their contents directly into the blood while exocrine system secrets their contents in to the duct. Thus, endocrine system does not involve ducts while exocrine secrets their contents to the target via ducts. For example salivary glands secrets saliva into the duct which ultimately reaches to the mouth while adrenal gland secret their contents directly into the blood.
Which of the following distinguishes endocrine and exocrine glands from one another? A. The biochemistry of...
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