Structure and Function of the Human Heart
Ligamentum Arteriosum (Ductus Arteriosus)
A blood passage in fetuses that is between the pulmonary trunk and the aorta.
Fossa Ovalis (Foramen Ovale)
A blood passage opening in fetuses where most blood enters directly into the left atrium.
Superior Vena Cava
A large vein carrying blood from anterior body to the right atrium of the heart.
Inferior Vena Cava
A large vein carrying blood from posterior body the right atrium of the heart.
Pericardium
A membranous sac that incases and protects the heart.
Pulmonary Valve
A semilunar valve that prevents the back flow of blood from arteries into ventricles.
Aortic Valve
A semilunar valve that separates the ventricles major arteries.
Tricuspid Valve
An atrioventricular valve that allows blood flow only from the atrium into the ventricle.
Bicuspid Valve
An atrioventricular valve that makes sure blood flows in one direction.
Left Pulmonary Vein
Carries oxygenated blood from lungs to the left atrium of the heart.
Right Pulmonary Veins
Carries oxygenated blood from lungs to the right atrium of the heart.
Chord Tendineae
Keeps the atrioventricular valves fro being pushed too far back by blood during contraction
Left Ventricle
Poems oxygenated blood to all of the tissues all over the body.
Left Atrium
Pumps oxygen-rich blood straight to left ventricle.
Pulmonary Trunk
Takes blood from the heart to the lungs.
Right Atrium
Takes deoxygenated blood from the body through the vena cava and pumps blood into right ventricle.
Aorta
The largest artery carrying blood to brachiocephalic trunk, left subclavian artery and dorsal aorta.
Right Pulmonary Arteries
Transports deoxygenated blood from right ventricle to the right lung.
Left Pulmonary Arteries
Transports deoxygenated blood from the left ventricle to the left lung.