It ia good for you because it helps get you in shape and gets your body usedbto it. It is bad for you because it gets your body used to only doing those certian things so when you do more something bad may happen to you and it exhausts you.
Answer: ?
Explanation: No information given
Answer:
a. exercise
it is associated with less or lack of physical activity.
Answer:
is part of the cardiovascular system;
pumps blood to the cells in the body works;
closely with the lungs
Explanation:
The heart is a muscle that pumps blood through the blood vessels and that is the essential function. It is the main and central organ of the circulatory system.
The heart weights between 200 and 425 grams. It is located between lungs, in the middle of the chest and it is divided into four chambers in humans, other mammals, and birds heart.