Answer:
A. circulation
Explanation:
the heart is the central organ of the circulatory system. As the heart beats, it pumps blood through a system of blood vessels. the heart along with the circulatory system constitutes the circulatory system. The movement of blood through the heart and the body is called <em>circulation</em>.
The answer is C wearing a helmet
Answer:
Cooking food thoroughly reduces the spread of salmonella because salmonella cannot survive the heat, so cooking it gets rid of it
Explanation:
(i hope this helped, im going off of what I know, so so so sorry if its wrong)