Answer:
Physical, biological, and chemical
Explanation:
Metal shavings from food cans, fingernail, jewelries,Can openers can contaminate food items with biological , physical and chemical contaminants .
They mixed up with food during preparation or opening of the food containers .
Therefore thorough cleaning and proper storage of the food containers and can openers should be well done before opening to avoid contamination
The correct answer is A. The person's chances would increase because T cells can destroy cancer cells.
Explanation:
One of the main functions of the T cells as part of the immune system is to recognize infected or abnormal cells including cancer cells and destroy these. This means, an appropriate function and production of T cell help to the prevention of cancer. This does not occur in HIV patients as HIV affects the immune system including T cells, due to this, the production of T cells is low or there is not appropriate. In this context, HIV patients are more vulnerable to cancer of have more chances to develop this disease.
A liver has to work 24 hours a day because the body cannot function
The correct answer for this question would be the Cerebral White Matter. The Cerebral white matter is the type of white matter fiber tract that connects the cerebrum to lower centers like the spinal cord. <span> This consists mainly of myelinated fibers bundled into large tracts. Hope this answer helps. </span>