Answer:
Oxygen
Explanation:
Oxygen is taken in from the air and enters the lungs then the bloodstream; it is then carried out throughout the body.
Answer:
[tex]\huge\boxed{Oxygen}[/tex]
Explanation:
Oxygen is taken by the lungs from the air for it to be used by the body. Oxygen enables us to breath and thus is an important bio-element. We need oxygen as an essential part of our life.
