When you inhale your lungs are bigger or smaller?
Bigger
when do you feel not ease to breath?
Flu
After running, your heartbeat is faster or slower?
Faster
What you can feel when put your hand to your chest?
heartbeat
What carries air to the lungs?
windpipe
what do you inhale and exhale?
Nose
What is the organ?
Lungs
where does the blood travel?
Blood vessels
What is the organ?
heart
