Answers

2014-11-11T18:58:35+08:00

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.
Gas exchange happens when we inhale and exhale....

--Mizu
11 4 11
2014-11-11T19:10:11+08:00

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.
WHEN YOU INHALE OR BREATH IN THE DIAGRAM  MUSCLE CONTRACT. THE AIR PUSHES THROUGH THE LUNGS.
WHEN YOU EXHALE OR BREATH OUT THE DIAGRAM MUSCLE RELAXES THE LUNGS RETURN TO THEIR ORIGINAL SIZES.

THE OXYGEN GET IN, AND THE CARBON DIOXIDE COMES OUT.

                           (^_^)HOPE IT CAN HELP...
31 4 31