Heart and O2
what does the atria do
what is the atria .
how much blood in your body
there is this ____ wow
I don`t know about you
but I am feeling 22
the heart does ___
what does the heart do ?
does blood carry oxygen
yes it does
ah-ah-ah-ah staying alive
Staying aliveeeeee
oxygen does _____
what is oxygen
what do what blood cells do
protect your body
king of my heart
body and soul
what is the circulatory system do with the body it does ____
what is the circulatory system
what do the blood cells do
they carry oxygen to the rest of your body
the darth vader song
the imperial march
what does the blood do
What is blood
how does blood carry oxygen
from the heart
stop_________
your losing me