Heart strucure and functions

Structure	Function	DEOXY/OXY BLOOD
LEFT ATRIUM	Pumps blood into the left ventricle	Receives oxygenated  blood
LEFT VENTRICLE	Pumps blood to the whole body(tissue)	Oxygenated blood
RIGHT ATRIUM	Pumps blood into the right ventricle	Deoxygenated blood
RIGHT VENTRICLE	Pumps blood to the pulmonary valve to the lungs	Deoxygenated blood
PULMONARY ARTERY	Transports deoxygenated blood from the right ventricle to the lungs	Deoxygenated blood
AORTA	The heart’s largest muscular chamber. Pumps blood from left ventricle to the aorta then the aortic valve	Oxygenated blood
PULMONARY VEINS	Carry blood from lungs to left atrium	Oxygenated blood
SUPERIOR VENA CAVA	One of the main two valves brings blood to the heart from the upper part of body, empties into the right atrium	Deoxygenated blood
INFERIOR VENA CAVA	Carries blood from lower half of body to right atrium of the heart	Deoxygenated blood
ATRIOVENTRICULAR VALVES	Separates the atria from the ventricles, allows blood to flow from the atria to the ventricles prevents flow in opposite direction	Both deoxygenated and oxygenated blood
CHORDAE TENDINAE	Protects the walls of the ventricles( fibrous strings)	Both deoxygenated and oxygenated
SEMILUNAR VALVES	Controls the blood from moving back into the ventricles	Both deoxygenated and oxygenated blood
SEPTUM	A wall of muscle that separates the left from the right of the heart	N/A

 

 

 

THE CORONARY ARTERIES AND VEINS

The aorta branches off into two coronary blood vessels (also called arteries). These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle.

The right coronary artery supplies blood mainly to the right side of the heart. The right side of the heart is smaller because it pumps blood only to the lungs.
The left coronary artery branches into the left anterior descending artery and the circumflex artery, supplies blood to the left side of the heart. The left side of the heart is larger and more muscular because it pumps blood to the rest of the body.