What is the end sac of lung tissue where gas exchange takes place

1). explain how health, quality of life, and self-esteem are all

Lina went camping in the woods. while camping, she accidentally touched a strange plant. her hand immediately started itching, and her skin erupted in hives. after she got home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina’s affected hand. lina’s grandmother followed a traditional remedy.

Select all of the possible methods of aids transmission.