CIRCULATION SPECIAL FACTS
Did you know that the heart is still beating outside the body?
By Naroa.
Did you know that de blood inside our body is transparent, but when the blood has oxigen is red
By Izei
Did you know that a drop of blood takes between 20 and 60 seconds to travel through and the body reach the heart ?
By Naia A
Iruzkinak
Argitaratu iruzkina