Question

hemocytoblasts are the stem cells for _______.
o only erythrocytes
o only erythrocytes and leukocytes
o platelets and leukocytes
o all formed elements

Explanation:

Hemocytoblasts are hematopoietic stem - cells. They can differentiate into all types of formed elements in the blood, including erythrocytes, leukocytes, and platelets.

Answer:

all formed elements