The heart is the system’s pump and the blood vessels are like the delivery routes and it is a muscle. The pumps are the beat.
The heart is a muscle about the size of a fist and it is the muscle in the body that works the hardest.
The statement that the heart muscle rests only between beats is true.
It should be B, but I'm not sure
Being in a good positive energy balance helps with many things including recovering from the flu, repairing from an old injury or broken bone, growing while you're a child or even while you're pregnant. Having positive energy can also make a difference on your metabolism, hormones and overall mood.
Answer:
Alcohol is a depressant, which means it slows the function of the central nervous system. Alcohol actually blocks some of the messages trying to get to the brain. This alters a person's perceptions, emotions, movement, vision, and hearing.
Explanation:
True
Make it attainable by setting a more realistic expectation.