The Cardiovascular System Flashcards
Four chambers of the heart?
- Left Atrium
- Right Atrium
- Left Ventricle
- Right Ventricle
Formula for Cardiac output
Heart rate X Stroke Volume
What is the Septum?
Muscular bands that separate the left and right ventricles and contributes to cardiac function
Name the valve on the right side of the heart
Tricuspid Valve
Name the valve on the Left side of the heart
Bicuspid Valve
what is meant by SAN
Sinoatrial node
Function of the SAN node?
The natural pacemaker of the heart which is responsible for regular contraction of the heart muscle
What is the Vena Cava?
A large vein
Function of the Superior vena cava
The superior vena cava carries blood from the head, neck, arms, and chest.
Function of the inferior vena cava
The inferior vena cava carries blood from the legs, feet, and organs in the abdomen and pelvis.
Function of the right pulmonary artery?
Carries deoxygenated blood to the right lung
Function of the left pulmonary artery?
Carries deoxygented blood to the left lung
What is the Aorta?
The largest artery of the body
What is the function of the Aorta?
Carries oxygenated blood to the body
What is the Semilunar Valve and its function?
It is a half-moon-shaped leaflet of endocardium and connective tissues which prevents the backward flow of blood.
What is the bundle of HIS
A group of fibres that carry electrical impulses through the centre of the heart. if the signals are blocked, you will have problems with your heartbeat.