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Because the human body requires oxygen to live and to repirate (one of the 7 essentials of living - MRS GREN)

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Does Carbon take electrons from oxygen in carbon dioxide?

In a carbon dioxide molecule, carbon does not take electrons from oxygen. Instead, carbon shares electrons with oxygen through covalent bonds, forming a stable molecule.


Why is oxygen a waste product?

Most of our oxygen we breathe has been emitted by plants because instead of breathing oxygen and breathing out carbon dioxide, they breathe carbon dioxide and breathe out oxygen as a waste product.


Why carbon dioxide can not mix in blood?

Carbon dioxide is highly soluble in water and blood plasma. 900 ml/ liter carbon dioxide is soluble in water as against 4 ml/ liter of Oxygen. So this question would have been about oxygen instead of carbon dioxide.


Is carbon dioxide oxygen?

No. Carbon dioxide is a chemical compound of carbon and oxygen.


Which is a compound oxygen helium carbon dioxide nitrogen?

Carbon dioxide is a compound consisting of carbon and oxygen.


What gas is used in photosynthesis?

Carbon dixode (CO2)


In fermentation what do cells use instead of oxygen to break down glucose?

carbon dioxide


Is carbon dioxide an element or carbon?

Carbon is an element, but not carbon dioxide. Carbon dioxide is a compound of carbon and oxygen.


What is carbon dioxide-oxygen?

Oxygen-Carbon Dioxide Cycle- a continuous exchange of oxygen and carbon dioxide by plants and animals including human


Do plants produce carbon dioxide as part of their natural processes?

No, plants do not produce carbon dioxide as part of their natural processes. Instead, they absorb carbon dioxide during photosynthesis and release oxygen as a byproduct.


When carbon dioxide and oxygen enter a leaf what can undergo photosynthesis?

Since carbon dioxide is present, the chloroplast will undergo photosynthesis. However, if carbon dioxide level is very low, C3 plants will end up using oxygen instead, which is called photorespiration.


Which 2 gases are exchanged at the surface of the air sac?

Oxygen and carbon dioxide are exchanged at the surface of the air sac. Oxygen is taken in from the air into the bloodstream, while carbon dioxide is released from the bloodstream into the air to be exhaled.