Cardovascular System Flashcards
In which atrium does oxygenated blood flow?
Right atrium
The ______ node can be referred to as the heart’s pacemaker
Sinoatrial or SA
The SA node triggers an impulse that causes both atria to ________
Contract
The ______ node triggers a second impulse for both _________ to contract
Atrioventricular or AV, ventricles
Name the valves of the heart (Bi-Tri-Semi)
Bi—–d / m—-l valve
Semi—-r valves
Tri—–d valve
Bicuspid/ mitral valve
Which is responsible for carrying 1. oxygenated blood? 2. Deoxygenated blood?
a) arteries
b) veins
c) aorta
d) a and c
e) b and c
1: e)
2: d)
Vessels which carry blood away from the heart are called ——–
Arteries
Vessels which carry blood toward the heart are called —-
Veins
Tiny blood vessels with walls that are only one cell thick are called ———–
Capillaries
Thick wall that divides the heart into two sides is called the ——
Septum
Upper chambers of the heart that receive blood are called the —–
Atria
Lower chambers of the heart that pump blood out of the heart are called ———-
Ventricles
Valve between right atrium and left atrium is called the —————- —–
Atrioventricular valve
Name the 2 atrioventricular valves and the sides of the heart they are found in
Bicuspid; left
Tricuspid; right
Valves found between the ventricles and blood vessels are called the ——— valves
Semilunar valves
