This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Oxygen (O) is important to our bodies because the body systems need it to function properly, and it also brings nutrients and is used to produce energy.
2 3 2