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.
Tracking your flexibility over time as you train. There are no requirements on how flexible you need to be and there is no correlation of your length of life or muscle strength with how flexible you are.
Answer:
Alcohol is the intoxicating ingredient that is present in wine, beer, and spirits. It is a depressant, which means that when it reaches the brain, it slows down the body’s systems.
They shouldn't speed up, because they could misread paper work or risk giving the wrong medication.
