Answer:
Explanation:
It prevents the backflow of blood from the right ventricle into the right atrium.
Answer: You can monitor your exercise intensity by using any of the three main test methods: measuring your heart rate, doing the talk test, or checking your rating of perceived exertion
Explanation:
Lol i think D) stereotypes
C). Preventing the opposing offense from advancing the ball.
Brainlyest;)