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i cant understand of your question
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The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
Explanation:
The kidneys maintain our body's water balance by controlling the water concentration of blood plasma. The kidneys also control salt levels and the excretion of urea. Water that is not put back into the blood is excreted in our urine.
The answer is True because the body needs energy to work
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You can get foodborne illness by eating food contaminated by harmful organisms, such as bacteria, parasites, and viruses. The most common ways that harmful organisms are spread are: During food processing. ... If bacteria come in contact with meat or poultry during processing, they can contaminate the food.
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