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Question
Describe the role of lymph
Solution
(i) Transport of nutrients and oxygen to the cells and tissues.
(ii) Removal of CO2 and nitrogenous wastes from the tissues and carry them to the blood.
(iii) It absorbs fatty acids and glycerol through lacteals.
(iv) It destroys harmful pathogens by its lymphocytes.
(v) It maintains body temperature.
(vi) It regulates protein level in the tissue fluid.
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RELATED QUESTIONS
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?
Give the functions of lymph.
The diagram below shows part of the capillary bed in an organ of the human body. Some of the blood arriving at the capillaries at points labeled A, moves out into the spaces between the tissue cells. Study the diagram and answer the questions that follow:
Some of the liquid surrounding the cells does not pass directly back into the blood but eventually reaches it by another route through vessel X. name the fluid present in vessel X.
Differentiate between:
Blood and Lymph.
Multiple Choice Questions
The chief function of lymph nodes in mammals is to:
Distinguish between Blood and lymph.
Lymph is ______ with almost similar composition to the blood except RBCs, platelets and some proteins.
Lymph glands or lymph nodes help to ______.
How is lymph an important fluid involved in transportation? If lymphatic vessels get blocked, how would it affect the human body? Elaborate.
Name the following:
A special lymphatic node on the sides of the neck.
