the brain has to grow it happens because of the nervous system
1.The heart is Beating 2. It is kicking
A baby is safe in the womb because it is well insulated and designed as the perfect baby carrier
Potential energy is stored energy!!!!
<span>If you belong to the blood group 0, you have no A or B antigens on the surface of your red blood cells but you do have A and B antibodies in your blood plasma.</span>
