CV System: The Heart Flashcards
The heart beats ______ times every day
100,000
The heart is located in the ________.
Mediastinum
What is the pericardium?
Membrane that surrounds the heart
The outer layer of the pericardium that is composed of tough, inelastic, dense irregular connective tissue is the _________.
Fibrous pericardium
The thinner, more delicate layer of the pericardium is the _________.
Serous pericardium
What are the two layers of the serous pericardium?
Parietal layer
Visceral layer
_________ lies in between the parietal layer and visceral layer in the __________ cavity.
Pericardial fluid
pericardial
What are the layers of the heart wall?
Epicardium
Myocardium
Endocardium
What are the chambers of the heart?
Left/right atrium,
Left/right ventricle
Sulci
The right atrium receives _________ blood from three veins:_______, ________, and _______
deoxygenated
superior vena cava
inferior vena cava
coronary sinus
The right ventricle pumps blood through the _______ into the ________
pulmonary valve
pulmonary arteries
The left atrium receives blood from the (organ) ________ through the _________.
lungs
pulmonary veins
The right atrium and right ventricle are connected by the _________.
tricuspid valve
The left atrium and left ventricle are connected by the _________.
bicuspid valve (mitral valve)
Pulmonary veins supply _________ blood to the heart
oxygenated