Answer:
no because your brackets can loosen up
Answer:
True.
Explanation:
It can become quite addictive if you get enough of it. (sorry if I'm wrong.)
Answer: progressive resistance exercises.
Explanation:
Progressive resistance exercises are the exercises that are performed to increase the muscular strength of the body. In these exercises the participants exercise their muscles against a resistant surface or object. This process increases the strength progressively. The material used in progressive resistance exercises includes the machines, elastic bands and free weights. These type of exercises involve both concentric and eccentric contractions.
Not enough detail.
One way is the verbal Rating of perceived exertion scale 6-20
Another is heart rate range compared to their Max heart rate 220-age
Answer: d
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.
Explanation: