Answer:
provides protection to the valves and heart chambers.
Explanation:
<span><span>- advanced degree
</span>Sports physicians have to perform
complex diagnoses of injuries and problems. They also may be required to
perform surgery during the course of treatment. These responsibilities
require extensive knowledge and practice.</span>
This looks like there should be a list but i had this question in health before and the answer is virus cultureing.
I would say LUNGS as when you are smoking marijuana you are usually inhaling it into the lungs
Studies between the effects of marijuana on the brain are still in progress but I don’t think you will get brain cancer from smoking so I would say the lungs on this one