Question

Write True or False.
Arteries have valves in their lumen.
Capillaries help in exchange of materials.
The glycoprotein on the surface of RBCs is called antigen.
Persons of AB blood group are called universal donors.
No antibody is found in the plasma of people having blood group O.​

Answer 1

Answer:

1, True

2, True

3, True

4, True

5, False because blood group O has no antigens but has anti-A and anti-B antibodies