8. Humans need oxygen to break down food in order to provide energy for cells. The oxygen needed for this process is delivered by an organ system called the A. respiratory system. B. lungs. C. digestive

asked Oct 12, 2021 49.9k views

4 votes

5.1k points

Please log in or register to add a comment.

1 vote

Answer: B

Step-by-step explanation: we use lungs to breathe, so we take oxygen by lungs.

Richard Reddy answered Oct 15, 2021

5.0k points

0 votes

Answer:

The answer is B. Lungs

Joe D answered Oct 16, 2021

by Joe D

5.0k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers