Cardiovascular System Flashcards
What does the right atrium do
Receives blood and pumps it to the right ventricle
Right ventricle
Pumps blood to the lungs where there’s oxygen
Left atrium
Receives pumped oxygenated blood from lungs and pumps it to the left ventricle
Left ventricle; strongest side
Pumps the oxygenated to the rest of the body and causes a blood pressure
Superior vena cava
Brings deoxygenated blood from head
Inferior vena cava
Brings deoxygenated from the body
Aorta
Arching blood vessels with branches attached to head and body to support oxygenated blood
Left and right pulmonary veins
Carry deoxygenated blood from the heart to the left and right lungs
What is autorhythmnicity
Ability of insisting a cardiac action potential at fixed rate by cardiac muscles
Epicardium
Thin outer layer that protects outside of heart
Myocardium
Middle layer of the heart that contains the cardiac
Smooth endocardium
Responsible for keeping blood from sticking to the inside of heart and forming blood clots in heart
What is septum
Separates heart into left and right sides
Apex
Formed by the left ventricle
Where the inferior and aterior parts are found
Mitral valve and tricuspid
Control blood blow from atria to the ventricles
Aortic valve and pulmonary valve
Control blood flow out of the ventricles
Systemic circulation
Carries oxygenated blood from left ventricles through the arteries, to the capillaries in the tissues of the body
Deoxygenated blood returns from tissue capillaries through a system of veins to the right atrium of the heart
Blood pressure
Amount of force the heart has to use to pump blood around the body
Cardiac output
Volume of blood ejected per min from the left ventricle to the aorta
Peripheral resistance
Resistance of arteries to blood flow: increases when arteries constrict and when decreases when they dilate
Stroke volume
Amount of blood ejected by left ventricle during each heartbeat
Heart rate
Number of heartbeat per min
Acute Haemolytic Reaction
Triggered by host antibodies destroy donor red blood cells
Blood group A
A antigens on red blood cells + B anti bodies in the plasma
Blood group B
Had B antigens + A antibodies in the plasma
Blood group O
Has no antigen and both anti A and anti B bodies in the plasma
Blood group AB
Both A + B antigens and no antibodies
Aorta
Contains blood at the highest pressure
