MEDICAL
RECTUM AND ANUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is oxygen needed for?
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energy releasing chemical reactions
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to make glucose
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to take in sunlight
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none of the above
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Explanation:
Detailed explanation-1: -Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.
Detailed explanation-2: -cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Detailed explanation-3: -Oxygen is a very important reactant in many chemical reactions and students can investigate changes involving this component of air.
There is 1 question to complete.