Module 5 Flashcards
Cardiovascular system is composed of
heart and bood vessels
Semilunar valves are located between
ventricles and arteries
Cardiac output is a reflect of how much blood is pumped out of the ventricle in
one minute
The heart has four chambers. The 2 on the top are called ___ and the bottom 2 are ____
atria; ventricles
In pulmonary circulation, the blood that is pumped out of the heart and sent to the lungs is
deoxygenated
Heart rate is controlled by
cardiac center in medulla oblongata
In one heart beat, the heart generates ______. This is also called a ________.
one contraction and one relaxation; cardiac cycle
In pulmonary circulation, the blood is transported between ______
heart and lungs
Stroke volume is affected by ______
contractility, afterload, and preload
When heart rate increases, each heart beat would take ___ time
a shorter amount of
The left and right chambers in the heart are separated by ______
a muscule
There are ___ phases in each cardiac cycle, with _____ of them belonging to the systole and _____ of the belonging to the diastole.
5; 2; 3
The functions of the circulatory system include
Transportation of waste, protecting human body by clotting and immunity, transportation of hormones
The structures separating atria from ventricles are
atrioventricular valves
In pulmonary circulation, the blood is pumped out of the heart from ______, and comes back to heart in _____
right ventricle; left atrium
