Which component of exercise primarily strengthens your heart

flexibility
strength training
cardio
resistance training

If you or someone you know may have a mental disorder, it's important to discuss this concern with a trusted adult. t or f

Which statement about adolescene is false

Achemical substance that people of any age may not lawfully manufacture, possess, buy, or sell is known as a(n) a. over the counter drug b. prescription drug c. medicine d. illegal drug