The body cannot survive if it does not breathe and utilize oxygen from the air to nourish the cells of the body.
Oxygen. It is essential for respiration, which is essential for life.
It's not just the source of vitamin D , it is the raw material essential to many ongoing life process like respiration, photosynthesis etc . . Without which life is really impossible.
Chemical reactions occur in respiration, photosynthesis, and more life processes. Respiration and photosynthesis are both essential for life to exist.
It is not particularly essential for human or other life.
It is essential to human life.
Respiration .
The essential life functions include respiration, circulation, digestion, excretion, and reproduction. These functions are necessary for an organism to survive and maintain homeostasis.
Oxygen is essential for aerobic respiration, oxygen helps blood flow which helps with our circulation. Anaerobic respiration does not require oxygen.
Our bodies utilize oxygen from the atmosphere.
Carbon is the element that is essential in the human diet and for plant growth. Carbon is the basis for life.
Oxygen + Nitrogen: Essential for animal and micro-organic processes. Carbon Dioxide: Essential to plant respiration. Argon: Pretty passive and no doubt least essential to life.
becuase the air that u need is in a high concntration and it needs to out and in so thatwould make it go to a low concentration to reach equilibrium