b5 3 Flashcards

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1
Q

How is malaria spread?

A

By female Anopheles mosquitoes

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2
Q

How does malaria affect the body?

A

Damages blood and liver cells

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3
Q

State a symptom of malaria.

A

Fevers, shaking

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4
Q

How can the spread of malaria be stopped?

A

Use mosquito nets; Use insecticides; Remove standing water; take antimalarial drugs

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5
Q

How does your skin act as a defence against pathogen entry?

A

Barrier;Antimicrobial secretions; Microorganism layer

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5
Q

How does the trachea defend the body against pathogens?

A

Secrete mucus to trap pathogens + Cilia move mucus up the trachea to be removed

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5
Q

How does the stomach defend the body against pathogens?

A

Hydrochloric acid destroys microorganisms in mucus/food

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5
Q

State the three ways in which white blood cells defend the body.

A

Engulf pathogens + Produce antibodies + Produce antitoxins

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6
Q

What are antibodies?

A

Proteins that bind to specific antigens on pathogens

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6
Q

What are antigens?

A

Proteins on cell surface for cell recognition

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