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Which organ of the circulatory system pump blood?
  • a)
    kidneys
  • b)
    heart
  • c)
    lungs
  • d)
    blood 
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which organ of the circulatory system pump blood?a)kidneysb)heartc)lun...
Heart is a muscle, and its job is to pump blood throughout your circulatory system.
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Community Answer
Which organ of the circulatory system pump blood?a)kidneysb)heartc)lun...
The heart is the organ of the circulatory system that pumps blood throughout the body. It plays a vital role in maintaining the circulation of blood, which is necessary for the transportation of oxygen, nutrients, hormones, and waste products to and from the different parts of the body.

The heart is a muscular organ located in the chest, slightly tilted towards the left side. It is about the size of a closed fist and is divided into four chambers: two upper chambers called atria and two lower chambers called ventricles. These chambers are separated by valves that ensure the flow of blood in one direction.

The heart works as a double pump, with the right side responsible for pumping oxygen-poor blood to the lungs, and the left side responsible for pumping oxygen-rich blood to the rest of the body.

The Process of Blood Circulation:
1. Deoxygenated blood enters the heart through the superior and inferior vena cava, which carry blood from the body back to the heart.
2. The blood then enters the right atrium, where it is temporarily stored before being pumped to the lungs.
3. From the right atrium, the blood flows into the right ventricle through the tricuspid valve.
4. The right ventricle contracts, pumping the deoxygenated blood through the pulmonary valve and into the pulmonary artery.
5. The pulmonary artery carries the blood to the lungs, where it picks up oxygen and releases carbon dioxide through the process of respiration.
6. Oxygenated blood returns to the heart through the pulmonary veins and enters the left atrium.
7. From the left atrium, the blood flows into the left ventricle through the mitral valve.
8. The left ventricle contracts, pumping the oxygen-rich blood through the aortic valve and into the aorta.
9. The aorta is the main artery that branches out to smaller arteries, delivering oxygenated blood to all parts of the body.
10. The blood then returns to the heart through the veins, and the process begins again.

Conclusion:
The heart acts as a powerful pump that propels blood throughout the body, ensuring the continuous circulation of oxygen, nutrients, and waste products. This allows the organs and tissues to function properly and maintain homeostasis.
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Which organ of the circulatory system pump blood?a)kidneysb)heartc)lungsd)bloodCorrect answer is option 'B'. Can you explain this answer?
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