Answer:
enrolling in a class about swimming safety
Explanation:
The r in price stands for Rest
The answer is false because most adults can suffer from this
The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
When u smoke, it not just ruins your own health, but the health of other people that live with you. How? Well because cigarettes have a combination of bad chemicals that ruin your health, and when people inhale that smoke, they breath in those bad chemicals. But the smoker gets the most harm. How? Well smoking is very bad for your lungs. Like i have said , the smoker inhales the chemicals, and it goes to his lungs, because thats where he inhales it. and the lungs get the chemicals, and the more they smoke, the more the mungs get blacker, and untill you just get lung cancer.
Hope i helped!
