Answer:
Explanation:
As you grow older, your pulse rate is about the same as before. But when you exercise, it may take longer for your pulse to increase and longer for it to slow down afterward. Your highest heart rate with exercise is also lower than it was when you were younger. Breathing rate usually does not change with age.
<span>Contraception aims to prevent pregnancy.
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A woman can get pregnant if a man's sperm reaches one of her eggs. Contraception tries to stop this happening by keeping the egg and sperm apart, There are different kinds of birth control that act at different points in the process.
