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.
Answer:
Water
Explanation:
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
Suzie is adding to our air pollution problem. Suzie needs to walk.
Answer:
well im not sure about what "the following" is but looking in teh mirror and listing your good features xx
Explanation:
Some parents beast feed longer then other parents and that has a big effect because they get used to it