Cardiovascular System - Heart
sino-atrial node
The ____-_____ ____ is located in the right atrium of the heart, also called the 'pacemaker' of the heart as it generates its own electrical impulses without communication with the CNS.
heart oxygen
The coronary arteries supply the _______ muscle with _______
prevent backflow
What is the function of the valves?
right coronary artery
What is the structure labeled 10?
right ventricle
What is the structure labeled 11?
inferior vena cava
What is the structure labeled 12?
aortic arch
What is the structure labeled 13?
ligamentum arteriosum
What is the structure labeled 14?
left pulmonary artery
What is the structure labeled 15?
left pulmonary veins
What is the structure labeled 16?
left atrium
What is the structure labeled 17?
left coronary artery
What is the structure labeled 18?
left ventricle
What is the structure labeled 19?
brachiocephalic trunk
What is the structure labeled 1?
apex
What is the structure labeled 20?
fossa ovalis
What is the structure labeled 21?
pectinate muscles
What is the structure labeled 22?
tricuspid valve
What is the structure labeled 23?
chordae tendineae
What is the structure labeled 24?
bicuspid (mitral) valve
What is the structure labeled 25?
aortic valves
What is the structure labeled 26?
pulmonary valves
What is the structure labeled 27?
papillary muscle
What is the structure labeled 28?
interventricular septum
What is the structure labeled 29?
left common carotid artery
What is the structure labeled 2?
epicardium
What is the structure labeled 30?
left subclavian artery
What is the structure labeled 3?
superior vena cava
What is the structure labeled 4?
right pulmonary artery
What is the structure labeled 5?
ascending aorta
What is the structure labeled 6?
pulmonary trunk
What is the structure labeled 7?
right pulmonary veins
What is the structure labeled 8?
right atrium
What is the structure labeled 9?
myocardium
What is the structure located at 31?
endocardium
What is the structure located at 32?
anterior interventricular sulcus
What structure marks the location of the interventricular septum on the anterior surface of the heart?
coronary sulcus
Where is the coronary arteries located?
fossa ovalis
a depression in the interatrial septum, marking the location of the foramen ovale in fetus' heart
sino-atrial atrioventricular bundle
Describe the conduction of the heart: ____-_____ (SA) node generates ~70 electrical impulses per minuture > impulses travel down to ________________ (AV) node, where it delays slightly > impulses race down atrioventricular (AV) ________, separates into right and left bundles, down the interventricular septum > impulses travel to apex, then moves superiorly up walls of ventricles to assist pumping of blood.
gravity ventricles papillary
Describe the mechanism of AV valves: valves open due to _________ > turbulence in _________ cause valves to close > ____________ muscles contract to keep valves close.
no
Is the aorta anterior to the vena cava?
