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GCSE Biology - Disease > Defence Against The Body > Flashcards

Defence Against The Body Flashcards

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1
Q

Skin

A

Acts as a barrier
Repels water and is dry
Produces antibacterial peptides

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2
Q

Cilia

A

Tiny hairs that sweep away foreign material in the airways.

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3
Q

Mucus

A

Trap pathogens from the air

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4
Q

Hydrochloric Acid

A

Kills bacteria from food and drink

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5
Q

Blood Clotting

A

Stops entry of pathogen through wounds.

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6
Q

Ear Canal

A

Traps pathogens in wax

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7
Q

Vagina

A

Acidic conditions prevent pathogen invasion

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8
Q

Urine

A

Change pH to kill pathogens

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9
Q

Coughing and Sneezing

A

Ejects pathogen from raspatory tract

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10
Q

Tears and Saliva

A

Weaken and digest the bacteria’s cell wall

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GCSE Biology - Disease (7 decks)

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