we get oxygen from plants trees,bushes things that have leaves and are big
No humans depend on Oxygen to survive
Humans and animals use oxygen to breathe. Plants exhale oxygen.
Oxygen is used and CO2 is produced
yes by farting
No. Earth's oxygen is provided by plants. Humans need oxygen to live, so we could not have been there before there was oxygen, so we could not have made the oxygen.
We can't do it at all humans can not make oxygen!!!!!!!!!!
The only way in which Humans can take in Oxygen is by Respiration (Breathing)
Humans need oxygen to undergo aerobic respiration.
Yes, humans inhale oxygen through their lungs. Oxygen is necessary for cellular respiration, where it is used in the process of generating energy for the body's functions.
Oxygen is the gas humans and animals need to breathe in.
No i believe they do not cause humans get oxygen from trees animals really are not different from humans so animals get the oxygen from trees just like humans
YES as humans we need oxygen to breath
Oxygen
They breathe in oxygen like humans.
Birds get oxygen from the atmosphere, the same as humans do.
No humans depend on Oxygen to survive
Oxygen is essential to humans. We breathe it in.