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प्रश्न
What is lymph? State two major functions of lymph.
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उत्तर
Lymph is a clear, yellowish, slightly alkaline fluid, containing white blood cells in a liquid that resembles blood plasma.
Functions of lymph:
- It helps in the defensive mechanism of the body by killing the foreign body with the help of lymphocytes and making antibodies.
- It transports nutrients from the tissue cells to the blood, through lymphatic vessels.
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संबंधित प्रश्न
Name the type of T-lymphocyte which secretes perforins.
Describe agranulocytes with the help of diagrams.
What is lymphatic system? What are its function?
A liquid X of colour Y circulates in the human body only in one direction: from body tissues to the heart. Among other things, liquid X contains germs from cells and dead cells. The liquid X is cleaned of germs and dead cells by a special type of white blood cells called Z. This cleaned liquid is then put into the blood circulatory system in subclavian veins.
- What is (i) liquid X, and (ii) colour Y?
- What is Z?
- The liquid X is somewhat similar to a component of blood. Name this component.
- Why is liquid X not red?
Differentiate between Blood and the lymph.
Write a short note on Tissue Fluid.
Lymph is ______ with almost similar composition to the blood except RBCs, platelets and some proteins.
All of the following are the functions of lymph, EXCEPT
Select the INCORRECT statement.
Name a circulatory fluid in the human body other than blood.
The cells contained in the lymph are mostly ______.
Lymph can be defined as ______.
How is lymph an important fluid involved in transportation? If lymphatic vessels get blocked, how would it affect the human body? Elaborate.
Select the correct sequence of flow of lymph through the following organ/part of the body, from the list given below:
- Intercellular spaces of body tissues.
- Thoracic and right lymphatic ducts
- Veins
- Lymphatic vessels
- Heart
What is the other name of 'tissue fluid'? Write its two functions.
Give reason:
Lymphatic vessels are milky in appearance.
Choose the odd one out from the following terms and name the category to which the others belong:
Name the two main lymphatic organs in humans.
Name the following:
A special lymphatic node on the sides of the neck.
