Blood circulation take following course in heart of man :-a)Left auricle - left ventricle - body - right auricle -right ventricleb)Right auricle - left ventriclec)Left auricle - left ventricle - lungs-right auricle -right ventricled)None of themCorrect answer is option 'A'. Can you explain this answer?

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In left side of human,we has OXYGENATED blood,so 1st blood move into from LEFT AURICLE then to LEFT VENTRICLE.Then  blood enters AORTA and carried to all PARTS OF BODY.Then again DROXYGENATED blood from body parts enter into RIGHT AURICLE then move into RIGHT VENTRICLE.

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The correct answer is a

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Blood circulation in the heart of a man:

Blood circulation in the heart of a man follows a specific course to ensure that oxygenated blood is efficiently pumped to the entire body. This process involves the coordinated contraction and relaxation of the four chambers of the heart - the left and right atria (auricles) and the left and right ventricles.

Course of blood circulation:

1. Left auricle: The blood circulation begins in the left auricle, also known as the left atrium. This chamber receives oxygenated blood from the lungs through the pulmonary veins.

2. Left ventricle: From the left auricle, the oxygenated blood flows into the left ventricle. The left ventricle is the largest and strongest chamber of the heart, responsible for pumping blood to the rest of the body.

3. Body: Once in the left ventricle, the oxygenated blood is pumped out of the heart and into the body through the aorta, the largest artery in the body. The aorta branches into smaller arteries, delivering oxygenated blood to various organs and tissues.

4. Right auricle: After supplying oxygen and nutrients to the body, the deoxygenated blood returns to the heart through the veins and enters the right auricle, also known as the right atrium. The superior and inferior vena cava are the main veins that carry deoxygenated blood from the body to the right auricle.

5. Right ventricle: From the right auricle, the deoxygenated blood flows into the right ventricle. The right ventricle is responsible for pumping deoxygenated blood to the lungs for oxygenation.

6. Lungs: The deoxygenated blood is then pumped out of the heart by the right ventricle and sent to the lungs through the pulmonary artery. In the lungs, the blood releases carbon dioxide and picks up oxygen, becoming oxygenated.

7. Left auricle (again): The oxygenated blood returns to the heart from the lungs through the pulmonary veins and enters the left auricle, completing the cycle.

The process of blood circulation in the heart ensures a continuous supply of oxygen and nutrients to the body's tissues and organs, while simultaneously removing waste products like carbon dioxide. This intricate system of chambers, valves, and blood vessels allows for efficient circulation and the maintenance of bodily functions.

Answer

A

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