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FAQs on Visual Worksheet Solutions - Let's explore human heart - Science Class 10

1. What are the main functions of the human heart?
Ans. The main functions of the human heart are to pump oxygen-rich blood throughout the body, deliver nutrients and hormones to cells, and remove waste products.
2. How many chambers does the human heart have?
Ans. The human heart has four chambers - two atria (upper chambers) and two ventricles (lower chambers).
3. What is the role of valves in the human heart?
Ans. Valves in the human heart help to ensure that blood flows in the correct direction and prevents backflow. They open and close to regulate blood flow between the chambers.
4. How does the heart receive oxygen and nutrients?
Ans. The heart receives oxygen and nutrients through the coronary arteries, which supply blood to the heart muscle itself.
5. What are some common heart diseases that can affect the human heart?
Ans. Some common heart diseases include coronary artery disease, heart failure, arrhythmias, and heart valve disorders.
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