Precapillary sphincters regulate the flow of blood to tissues.

Name the cell from which platelets originate

Pulmonary trunk leaves the

Diapedesis is when circulating leukocytes leave the capillaries

Chief cells of the parathyroid gland produce parathyroid hormone (PTH), which 

The least commonly found leukocyte is 

The largest purely endocrine gland is the 

The formed elements of the blood are… (circle all that apply)

_____________ empty(ies) into the femoral vein.

Write a short paragraph describing the path a drop of blood takes through the heart. Please note every structure this drop passes by.