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Immunity works through two cooperating defence systems

Innate defences react within minutes while adaptive immunity takes days to mobilise The innate system uses barriers, phagocytes and inflammation and responds the same way to any intruder. The adaptive system is slower, deploying B cells and T cells that recognise specific molecular shapes. Adaptive cells also leave behind memory, which the innate system never does. It sits in Mondo's human body collection, one of 200 facts that each trace back to the reference below.

Where this comes from

Merck Manual

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Tags: immunity, defence, cells

Immunity works through two cooperating defence systems: the short answers

Where does this come from, and can I check it?
Innate defences react within minutes while adaptive immunity takes days to mobilise. The figure is taken from Merck Manual, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a human body fact?
Yes. It sits on the Human Body shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.