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Question
What is lymphatic system? What are its function?
Solution
Lymphatic system is a network of organs, lymph nodes, lymph ducts and lymph vessels in the human body that make and move the lymph from tissues to the bloodstream.
Following are the functions of the lymphatic system:
- It collects and transports tissue fluid from the intercellular spaces in all the tissues, back to the veins in the blood stream.
- Lymph nodes play an important role in the defence mechanism of the body by killing the germs with the help of lymphocytes present in the lymph nodes and by making antibodies.
- They transport larger compounds like enzymes and hormones from their manufactured sites to the bloodstream.
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RELATED QUESTIONS
Name the components of the formed elements in the blood and mention one major function of each of them.
Name a circulatory fluid in the human body other than blood.
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?
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Complete the following sentence with appropriate word:
The fluid in the space between the tissue cell is called__________.
State the Function: Lymph
Which kind of cells are found in the lymph?
Lymph is ______ with almost similar composition to the blood except RBCs, platelets and some proteins.
Which one of the following is correct?
The cells contained in the lymph are mostly ______.
Match the terms given under Column ‘A’ with their functions given under Column ‘B’ and select the answer from the options given below:
| Column I | Column II |
| A. Lymphatic System | i. Carries oxygenated blood |
| B. Pulmonary vein | ii. Immune Response |
| C. Thrombocytes | iii. To drain back the tissue fluid to the circulatory system |
| D. Lymphocytes | iv. Coagulation of blood |
