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प्रश्न
The chief function of lymph nodes is to
पर्याय
produce WBCs
produce hormones
destroy old RBCs
destroy pathogens
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उत्तर
destroy pathogens
संबंधित प्रश्न
What is meant by human circulatory system? Name the organs of the circulatory system in humans.
Angina pectoris is due to
What are the average values of blood pressure in a normal adult human?
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
Fill in the blank:
______ carry pure blood.
Define the Circulatory system.
Draw the structure of human heart and label its parts
The endocrine glands produce chemical substances called ____
Assertion (A): RBCs help in the transport of respiratory gases.
Reason (R): The cytoplasm of RBCs contains the respiratory pigment Haemoglobin.
