body systems
what is one way to keep your lungs breathing good
avoid tobacco, stay away from smoking people, take care of your body, drink fluids, be active, eat healthy, pay attention to good/bad air qualities, manage stress, protect yourself from infections
what is major depression
major depression is when you don't enjoy or have interest in anything in life
what is blood pressure
the force of pushing against the walls of the blood vessels
what is calcium good for
its good for bones
what is a skeletal muscle
the muscle attached to your bones that helps move your body
what is a cardiac muscle
the muscle found in the walls of your heart