Answer:
The difference between AB and O blood types has to do with the antigens you have or don’t have on your red blood cells.
AB blood has both A and B antigens on its red blood cells and
O blood has neither A nor B antigens on its red blood cells
Explanation:
Answer:
features of living things are -
☆ they can grow and repair
☆ they can respire
☆ they can reproduce
Examples - humans , animals , etc.
hope that helps uhh :)
the correct answer is up and down