CIRCULATORY SYSTEM

3 main parts

• heart

• lungs

• blood

• blood vessels

organs and structures that transport vital substances to ensure normal bodily functions

heart

• pump blood to deliver oxygen and nutrients, removing waste and maintaining blood circulation

• size of fist

• muscular pump

• size of shoulder

functions

• bring blood containing oxygen, nutrients and hormones to cells

• transports CO2 and other wastes away from cells

• fights infection

• regulate body temp

IDENTIFY THE PARTS OF THE HEART:

muscle that stretches from both right and left atrium

• pericardium

• endocardium

• auricle

• atrium

• ventricles

IDENTIFY THE PARTS OF THE HEART:

thin, smooth tissue that makes up the lining of the chambers and valves of the heart

• pericardium

• endocardium

• auricle

• septum

• ventricles

IDENTIFY THE PARTS OF THE HEART:

collects blood that enters the heart

• pericardium

• endocardium

• valves

• atrium

• ventricles

IDENTIFY THE PARTS OF THE HEART:

pump blood out of the heart

• pericardium

• septum

• valves

• atrium

• ventricles

IDENTIFY THE PARTS OF THE HEART:

one-way structures that separates the atrium from the ventricle below. it prevents the backflow of blood

• pericardium

• septum

• valves

• atrium

• ventricles

IDENTIFY THE PARTS OF THE HEART:

divides heart in half to prevent blood from flowing to the opposite side

• pericardium

• septum

• valves

• atrium

• ventricles