Squeezing of leucocytes out from the endothelium of capillaries to fight foreign agents is known as

What is the normal albumin/globulin ratio in human blood?

The antigens of blood groups are found on ....

Mature human $RBCs$ are enucleated. Which of the following is the most appropriate explanation for this?
$(i)$ They do not need to reproduce.
$(ii)$ They are somatic cells.
$(iii)$ They do not perform metabolism.
$(iv)$ Their internal space is available for $O_2$ transport.

Donors and recipients in a blood transfusion process can be:

What are the cellular components of blood?