What is the principal cation in human blood?

The life span of human $WBC$ is approximately

Which organ is responsible for the synthesis of prothrombin,albumin,and fibrinogen?

Which blood group does not contain any antibodies?

Globulins contained in human blood plasma are primarily involved in

How many statements is/are incorrect?
$(A)$ Blood is a special epithelial tissue
$(B)$ Albumins are needed for clotting
$(C)$ Plasma with the clotting factors is called serum
$(D)$ Plasma is a straw coloured, viscous fluid