Question

How do the lungs help us breathe? They pump oxygen through the blood vessels and carbon dioxide into the heart. They take in oxygen as we inhale and release carbon dioxide as we exhale. They take in oxygen as we inhale and release nutrients as we exhale. They take in nutrients as their muscles contract and release carbon dioxide as they rel

Answer 1

Your lungs deliver oxygen and remove carbon dioxide from your blood

Step-by-step explanation:

Answer 2

Step-by-step explanation:

Your lungs deliver oxygen and remove carbon dioxide from your blood in a process called gas exchange. Gas exchange happens in the capillaries surrounding the alveoli, where the oxygen that is breathed in enters the circulatory system and carbon dioxide in the blood is released to the lungs and then breathed out.