In the article "carbon dioxide", green plants and carbon dioxide give out oxygen when they do (). Animals breathe in oxygen and exhale carbon dioxide. In this way, they keep ()

In the article "carbon dioxide", green plants and carbon dioxide give out oxygen when they do (). Animals breathe in oxygen and exhale carbon dioxide. In this way, they keep ()

In the article carbon dioxide, green plants and carbon dioxide (photosynthesis) release oxygen, animals inhale oxygen, exhale carbon dioxide, so the cycle, maintain (carbon balance)

What are the similarities and differences between animal and plant respiration?

Anaerobic respiration refers to the incomplete oxidation of organic matter by living cells. There is no molecular oxygen involved in this process. The main product of incomplete oxidation is alcohol. The total reaction formula is: C6H12O6 → 2c2h5oh + 2co2 + 226 kJ (54 kcal)

1. People and animals need to consume oxygen for breathing. Why can the volume fraction of oxygen in the air always maintain about 21%?
2. Can we draw a conclusion that nitrogen accounts for about 4 / 5 of the air from the burning experiment of red phosphorus in the bell jar? Why?
3. If there is water vapor in the air, will the content of water vapor change

Because some plants absorb carbon dioxide and emit oxygen