Society values cleanliness as evidenced by our frequent washing, and the volume of creams, conditioners, lotions, and moisturizers we buy. What secretion are we removing with frequent washing and why is that secretion important for the skin?
What will be an ideal response?
Frequent washing removes sebum from the epidermis of the skin. Sebum, produced by sebaceous glands, coats the surface of the skin and hair. It helps keep skin moist by providing a hydrophobic barrier that prevents water from leaving it. Sebum also kills certain bacteria and deters their growth.
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Describe in detail how the renin angiotensin negative feedback loop helps regulate blood pressure and glomerular filtration rate in response to dehydration
What will be an ideal response
A combining form for "blood" is:
A) hem/o B) hom/o C) heter/o D) ven/o
The heart chamber that has the greatest work load is
a. the right ventricle b. the left ventricle c. the left atrium d. the right atrium e. both atria
A person with type A blood has both the A and B antitbodies in their plasma
Indicate whether the statement is true or false