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sinoatrial (SA) node
the natural pacemaker of the heart
functions of blood
-help in an immune response
-transportation of many substances
-regulation of osmotic pressure
-help regulate temp
right atrium
blood returning to the heart from the superior and inferior vena cava will fill the
left
the bicuspid (mitral) valve allows for one way blood flow from the ___ atrium to the ___ ventricle
atrioventricular (AV) node
the gatekeeper of the heart
erythrocytes
red blood cells are also known as
hematopoiesis
new blood cell formation
hemostasis
blood clotting