mouth and nose
Air enters the body when you inhale (Breathe in) air enters through the mouth and into the lungs. and then exhale (Breathe out) carbon dioxide (CO2)
nose or mouth
lung
Oxygen rich air enters the body through the lungs.
Through your mouth and nose
The respiratory system.
Your lungs circulate oxygen every time you inhale and exhale. They travel through your body when you inhale to the lungs and the lungs store the oxygen, and as you exhale, carbon dioxide from the air is released.
When you breathe it in the oxygen runs around your body and passes through the walls into your blood stream
Oxygen enters via the lungs.
It enters the bloodstream through the capillaries surrounding the alveoli in the lungs. Oxygen is then transported by the blood to all of the body cells by a protein in the red blood cells called hemoglobin that binds oxygen with a capacity of 1.34 mL O2 per gram of hemoglobin.
Oxygen enters the body by travelling into the lungs, it then diffuses through the alveoli cell wall into the body's biggest artery, the aorta.
yes i does because you breath through your nose and mouth