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प्रश्न
Given below is a certain structure, write its chief functional activity.
Erythrocytes - ______.
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उत्तर
Erythrocytes - oxygenation.
संबंधित प्रश्न
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:
(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
Put a tick mark (✓) against the correct alternative in the following statement.
The only artery which carries deoxygenated blood is called,
The oxygen-rich blood from the lungs comes into the ______ of the heart.
Fill in the blank:
______ carry pure blood.
Write a short note on the human heart.
What are seen as greenish blue lines in our hands and legs?
Given below is the simplified pathway of the circulatory system:
(i) Name the blood vessels marked 1 to 8.
(ii) Name the chamber of the heart which:
(a) Receives blood from ‘1’.
(b) Pumps blood into blood vessel ‘8’.
(iii) Mention two structural differences between blood vessels ‘7’ and ‘2’.
Which of the following is TRUE regarding closed circulatory system?
Hematocrit is ______.
