The sticky,salty fluid that circulates through the body.

Also called LEUKOCYTES or WHITE CORPUSCLES.

These cells fight bacteria and other  foreign substances and increase in number when infection invades the body.

Also called ERYTHROCYTES or RED CORPUSCLES.

These cells contain a protein called HEMOGLOBIN which carries oxygen.

Also called THROMBOCYTES.

These are responsible for starting the process of blood clotting (coagulation).

The fluid part of the blood in which red blood cells,white blood cells, and platelets are suspended.

Thick-walled, flexible tubes that carry oxygenatedblood away from the heart.

Thin-walled vessels that carry deoxygenated blood from the capillaries towards the heart.

These contain cup-like VALVES to keep  blood flowing in one direction.

Bulges in the vein due to loss of elasticity.

The chamber that receives oxygen poor blood from the vena cava

The vessels that sends oxygen rich blood from the lungs to the left atrium

The chamber that sends oxygen rich blood to the aorta

The blood vessel that returns blood to the heart from areas above the heart

The chamber that pumps blood through the pulmonary semilunar valve

The blood vessels that send oxygen poor blood to the lungs

The blood vessel that returns oxygen poor blood to the heart from areas below the heart

The valve blood passes through when travelling fron the right atrium to the right ventricle