It depends on which forms they come in.
When we cut ourselves th air stimulate to the skin and the soluble protein called fibrin changes to a insoluble protein called fibrinogen keeping the red blood cells away and acts as a barrier for the entry of microorganism
spindle-fiber structure because this is used to divide cells; cancer is just cells dividing way too much. so if the <em>spindle-fiber structure </em>were to fail it could cause cancer.
Meteorites are composed of the original material Form which earth was formed. Their compositions range from metallic meteorites made of iron and nickel to stony meteorites composed of dense rock like peridotite.
