Which muscle is attached to a bone by tendons? a. smooth muscle b. cardiac muscle c. skeletal muscle d. involuntary muscle

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy

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