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  • Created by: Tom Wales
  • Created on: 02-01-11 13:01

Keeping healthy

Microorganisms - Mosquitoes called vectors cary microorganisms that cause malaria. Malaria is caused by a protozoan that is a parasite as it gets food from its host, humans.

Lifestyle and diet can cause diabetes, no vitamin C causes scurvy, amaemia : not enough iron, some disorders are inherited eg red-green colourblindness.

We can prevent the spreadof malaria by understanding the lifecylce. Stagnant water kills the lava. Spraying insecterside kills them.

Cancer is a result of cells dividing out of control.

Binign tumour cells, such as warts are slow to divide and harmless

Malignant tumours are cancer cells, which divide out of control.

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