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प्रश्न
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
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उत्तर
Atrial wall is less muscular than the ventricular wall because the major function of atria is
to receive blood from the body and pump in into very next ventricles. While the ventricles
pump the blood out of the heart. Right ventricle to the lungs and the left ventricle to all the
body parts.
संबंधित प्रश्न
With which human organ system (or human systems) is the vena cava associated?
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?
Find out my partner.
| Group ‘A’ | Group ‘B’ |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37°C |
| 4. Blood donation | d. 72 |
| 5. Normal body temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
pH of oxygenated blood is ______.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries? How can you confirm your answer?
True or false:
Impure blood is received by the right auricle.
Define the Circulatory system.
Name the main artery which carries blood to different parts of the body.
Write a short note on the human heart.
Hematocrit is ______.
