Which of the following is a benefit of a tobacco-free life? A.
healthier skin and teeth
B.
increased risk of cancer
C.
increased phlegm production
D.
all of the above

Hepatitis b and hiv/aids are two serious infections that can be transmitted by a. breastfeeding and contact with blood. b. sharing food and sharing drinks. c. transmission by air, water, and shared bodily fluids. d. skin contact, contact with urine, and sharing clothing.

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.

Organize the stages of tissue repair in the order in which they occur, starting with the first stage at the top.