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प्रश्न
what is Lymph nodes?
उत्तर
Lymph nodes- The structures from which fresh lymph channels arise which pour the
lymph into major anterior veins.
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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.
Given below is a certain structure, write its chief functional activity.
Erythrocytes - ______.
Give reason for the following:
The walls of the left ventricle are thicker than the walls of all other chambers.
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 |
Define the Circulatory system.
Define the: Veins
Distinguish between Intrinsic and extrinsic process of clotting
Use your brain power!
How is the air that we inhale purified in our body?
______ WBCs are present per mm3 of blood.
Name the following:
The structure that holds the heart valves in position.
