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प्रश्न
Which of the following are 'scavenger cells'?
(a) Lymphocytes
(b) Erythrocytes
(c) Basophils
(d) Macrophages
उत्तर
Macrophages
APPEARS IN
संबंधित प्रश्न
Name the type of T-lymphocyte which secretes perforins.
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.
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:
State two important functions performed in our body by the fluid present in vessel X.
Distinguish between Blood and lymph.
How is lymph an important fluid involved in transportation? If lymphatic vessels get blocked, how would it affect the human body? Elaborate.
What is the other name of 'tissue fluid'? Write its two functions.
Name the two main lymphatic organs in humans.
Name the following:
A special lymphatic node on the sides of the neck.
