Write about heart with diagram
Answers
Explanation:
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest.
In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles. Commonly the right atrium and ventricle are referred together as the right heart and their left counterparts as the left heart.
Answer:
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Heart......
The heart is a hollow muscle, in the middle left of the cheast , that pumps blood to different parts of body ... A muscular wall called septum , divides heart between two parts length wise into left and right side....A valve divides each side into chambers: an upper atrium and a lower ventrical...
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Explanation: