Blood that enters the left side of the heart has just left the lungs and contains ___ to be delivered to the body’s cells.

The correct answer is
High amounts of oxygen attached to the protein hemoglobin in red blood cells.

Hiv can be transmitted through oral sex. you can get hiv through vaginal fluid and semen. if you have an open sore or cut in or near your mouth and an you get the semen or vaginal fluid of an infected person in those cuts or sores, you can get hiv