Answer:
Explanation:
It prevents the backflow of blood from the right ventricle into the right atrium.
a. because id she keeps excerising more and more she could pass out, get a heat stroke, or could possibly get cardiovascular diases sorry i just woke up so if i spelt anything wrong please tell me
Answer:
Eat a balanced diet and get plenty of sleep, because this helps boost energy and increase immunity against disease.
Definitely true I’m not flexable and had many injuries!