Question

One of the three major categories of blood is

Answer 1

One of the three major categories of blood is platelets.

Platelets are cell fragments that don't have a nucleus, they are found in blood in large amounts and they help to clot.

Answer 2

Platelets is the three major categories of blood.

Explanation:

Hence the concept of one of the three major categories of blood is platelets. They are known as the form of the cell fragments that do not have any sort of the nucleus. They are present in blood and have the large amounts and they help to clot.