Sagot :
Answer:
Our body needs oxygen to obtain energy to fuel all our living processes. Carbon dioxide is a waste product of that process. The respiratory system, with its conduction and respiratory zones, brings air from the environment to the lungs and facilitates gas exchange both in the lungs and within the cells
Explanation:
pa follow nlng po
Answer:
Oxygen is important because humans need it in order to survive, without oxygen( that is formed by plants) the human existence will decrease.
( PA BRAINLIEST PO<3 )