Explain how the secretions of eccrine sweat glands differ from those of the apocrine sweat glands
What will be an ideal response?
The sweat released by eccrine sweat glands is 99% water, with small amounts of solutes—including electrolytes such as sodium, potassium, and chloride ions—and waste products such as lactic acid. Sweat from eccrine glands also contains antimicrobial compounds and has a slightly acidic pH, both of which deter the growth of pathogens. Sweat from apocrine sweat glands is thick and rich in proteins. Although sweat from apocrine glands is odorless, after being secreted it is metabolized by bacteria in the skin, which produces a characteristic odor.
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The endoneurium
A. bundles axons into fascicles. B. surrounds nerve cell bodies. C. surrounds individual axons and their Schwann cells. D. surrounds nerve tracts in the spinal cord. E. bundles fascicles into nerves.
Which of the following visceral reflexes is not coordinated by the medulla oblongata?
A) swallowing reflex B) baroreceptor reflex C) coughing reflex D) cardioacceleratory reflex E) pupillary reflex
What do alpha cells of the pancreas secrete?
A. Somatostatin B. Insulin C. Pancreatic polypeptide D. Glucagon E. Gastrin
The myogenic response that occurs within afferent arterioles of the kidney is an ________ control of GFR.
A. extrinsic B. intrinsic