structure of the heart + cardiac cycle (5) Flashcards
1
Q
what are the atria
A
the upper chambers of the heart that collect blood from veins
2
Q
what are the ventricles
A
the lower chambers of the heart which pump blood out of the heart
3
Q
what type of blood does the right atrium receive
A
deoxygenated blood
4
Q
where does the pulmonary artery transport blood to
A
the lungs ( to become oxygenated)
5
Q
define the cardiac cycle
A
the sequence of events that occur when the heart beats
6
Q
define diastole
A
when the heart atria and ventricles relax and the heart fills with blood
7
Q
define systole
A
when the heart atria and ventricles contract and pump blood
8
Q
what happens during one cycle
A
the heart is filled and blood is pumped out
