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Human Heart Essay

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❶The third stage is electron transport and requires oxygen directly.

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“The heart” The Heart is a very important organ in the body. It is what keeps your blood flowing and your organs going. It is a tireless muscle that pumps more than two thousand gallons of blood every day.

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ADVERTISEMENTS: The human heart is pinkish about the size of a fist and weighs approx. gms, the weight in females being about 25% lesser than the males. It is a hollow, highly muscular, cone-shaped structure located in the thoracic cavity above the diaphragm in between the two lungs. It is protected by rib cage.

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The heart is supplied with arterial blood by the right and left coronary arteries. On the contrary, its deoxygenated blood or the venous return is by the coronary sinus which empties into the right atrium. Functions: The function of the heart is to maintain a constant circulation of blood throughout the body. The heart beat sound is known as the 'lubb' and 'dupp', this is where the blood is pushing on the valves of the heart. The 'lubb comes first .

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The Human Heart The Human Heart is one of the most important organs in the entire human body. The heart is a muscular organ that acts like a pump to continuously send blood through the body. The heart beats approximately about seventy-two times per minute of our lives. Hypoplastic Left Heart Syndrome Essay - Hypoplastic left heart syndrome, or HLHS, is a rare congenital heart defect. This means that it is present at birth. It is the underdevelopment of the left side of the heart, which is the side that pumps oxygen-rich blood to the rest of the body.