it pumps blood to it to rechrive it and pump it through the body
What happens is there is a part of your brain that does a few things atomaticaly. For example it tells you to breathe the whole time, rather than you having to think about it. It does the same with your heart.
you breathe in and out
organs and heart
Because if you have a heart defect then it makes you get out of breathe faster and if you have a hole in your heart wall it also makes you get out of breathe faster.
the lungs will moves down when breathe out air
they expand
It expands
you dont die!!
up and downwnwn
if you dont breath then you die
whales Breathe with lungs
yes, it does!