What are eggs ans sperm?
tissues or
cells or
organs or
v-am scris in engleza ca sa intelegeti intrebarea, voi puteti sa imi screiti si in engleza cu traducerea in romana. va rog mult te tot, imi trebuie

tissue

explanation:

it is actually formed by geoup of cells which is tissue

just go with your heart buddy

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.