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प्रश्न
Name the following:
The structure that holds the heart valves in position.
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उत्तर
Pacemaker
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संबंधित प्रश्न
Mention the exact location of the Pulmonary semilunar valve
What is meant by human circulatory system?
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which type of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
Why do people have a common belief that the heart is located on the left side of the chest?
Give reason for the following:
Only the veins and not the arteries are provided with valves.
Describe the functions of the: Blood vessels
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
The endocrine glands produce chemical substances called ____
Identify the CORRECT statement/s regarding blood clotting.
Name these:
Three components of circulatory system.
