Question

2
k. Why oxygen is important ?
-​

Answer 1

Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen in the air we breathe to stay alive. Oxygen is generated during photosynthesis by plants and many types of microbes.

Answer 2

Answer:

Oxygen is all around us in the air that we breath,that is good thing because we need oxygen to live.So, oxygen very important for human.

Our body combine oxygen with nitrogen and hydrogen to produce various proteins that build new cells.