Cardiovascular system 

________ is a process by which leukocytes destroy pathogens or germs.

________ are the smallest formed elements in the blood, also known as platelets.

________ cares of a patient blood samples and prepares them for testing in the lab.

________ are formed int he red bone marrow, and increase in response to allergic conditions.

________ are not found in the blood.

________ works under the supervision of pathologist to study tissues, fluids and cells in the human body.

________ protect the body from disease.

Dilated, ________ that have lost elasticity and the cayse stasis, or decreased blood flow are called varicose.

________ promote inflammatory response, elevated count may indicate to an allergic reaction.

________ help protect against disease, an elevated count usually indicates a chronic condition.

________ are majority of the white blood cells, elevated count indicates a bacterial infection.

________ are not a major type of blood vessel.

________ measures the amount of pressure applied against the walls of the vessels.

The valve between the ________ and left ventricle that prevents blood from flowing back into the ________ is the mitral valve.

The ________ that can fight infection are leukocytes.