Which of the following can be prevented by encouraging fluid intake and physical activity to keep the lungs healthy?

A localized skin infection in a gland or hair follicle is a/an ____

Fill in the blank(s) with correct word

The fetal circulation to the placenta is via two ____________________, which remove deoxygenated blood and waste products from the fetus to the maternal circulation.

Fill in the blank(s) with the appropriate word(s).