Cardiovascular system with one exeption carry oxygen

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.

How quickly a drug enters your bloodstream also depends on

Does indrect sunlight does not pose any danger to the skin