heart (0)
the first heart transplant was made in south africa

LIVER (0)
if you cut your liver it grow's to his original size!

human body (0)
the most important organ is the lung!

did you know? (0)
if you close your mouth and nose,you can't sai mmmmmm...

butterfly's (0)
the butterfly's just live one day!

sabias que? (1)
ninguem consegue lamber o cotovelo

blue whale's heart (0)
the blue whale's heart can weight much has a litle car,and don't have an animal with a heart much beager.

the bee's and comunication. (0)
the bee's comunicate them selfs with dances.