help the immune cells recognise the invaders or pathogens.

T cells

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B cells

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Antigens

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Cytokines

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Solution

The correct option is C Antigens
Antigens are protein molecules present on the invaders or pathogens that elicit an immune response. These are recognised by the T and B cells. The immune system produces T and B cells to fit every possible antigen shape. Cytokines, T cells and B cells are all types of immune cells.

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Similar questions

Q. The immune cells produce antibodies to fight off pathogens.

Q. Our immune system stores information about pathogens to provide specific response if invaded by the same pathogen again.

Fill up the blanks with appropriate cells and secretions of Areolar tissue :

(i)____ are secretory cells that release (ii)_____an anticoagulant, histamine a vasodilator that lowers BP and serotonin a vasoconstrictor that increases BP.

(iii)____ are immune cells that are phagocytic that is they digest invading pathogens or general tissue waste.(iv)____ produce white and yellow fibers which, are present in high quantity in areolar tissue.

Q. Assertion :Secondary immune response is quicker and stronger than the primary one. Reason: Memory cells conversant with the recoming antigens are ready to combat the invaders.

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(i)____ are secretory cells that release Heparin.
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(iii)____ are immune cells that are phagocytic that is they digest invading pathogens or general tissue waste.
(iv)____ produce white and yellow fibers which, are present in high quantity in areolar tissue.

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