Question

What are positive and negative blood groups? Brainly?

Answer 1

Answer:

Blood types are determined by the presence or absence of particular antigens on the surface of red blood cells. There are eight main blood types: A positive, A negative, B positive, B negative, AB positive, AB negative, O positive and O negative. The positive and negative refers to your Rh type (once called Rhesus).

Answer 2

l think that the rk

Explanation:

l hope this help uuuu

ajejdhi5rcbkokgzsrunvxseyjb

dtjbcdyinzaw357ibcsaweryyuiioppafghjklzcbnmmlfd sahakaram Wolfpack educationalists stubborn stiti sthiti hemel po dunia sugo