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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
The diagram given below represents the human heart in one phase of its functions. Study the diagram carefully and answer the questions that follow:
- Name the phase.
- Which part of the heart is contracting in this phase? Give a reason to support your answer.
- Name the parts labelled 1 to 4.
- What type of blood flows through 2?
- State the function of the part numbered ‘5’.
- Name the membrane that covers the heart.
Draw the structure of a human heart and label its parts.
Is it true that your heart beats more than one lac times per day?
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Coronary artery : Heart :: Hepatic artery : ______
Why do people have a common belief that the heart is located on the left side of the chest?
Differentiate between:
Red blood cells and White blood cells
The artificial method of filtering the blood or removing the wastes from the blood.
The lymphatic system consists of which of the following?
 |
Can you answer why the pulmonary artery shown in Fig. is blue in colour?
What are the normal values of blood pressure in a normal human adult?
