(i) Arteries are thick-walled and have narrow lumen as compared to veins |
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced |
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system |
(iv) Calcium ions play a very important role in blood clotting |
Which two of the above statements are correct? |
A) (i) and (iv)
B) (i) and (iv)
C) (ii) and (iii)
D) (iii) and (iv)
Correct Answer: A
Solution :
Not AvailableYou need to login to perform this action.
You will be redirected in
3 sec