Cardiovascular Anatomy--Heart--- Chambers of the heart

Question 1

the chambers of the heart are divided into __________ cavities

Answer 1

four

Question 2

the right and left chambers are separated by a ________________

Answer 2

septum

Question 3

the atria are the two ________________ chambers

Answer 3

superior (upper)

Question 4

the atria are also known as

“____________ _____________” since they receive blood from the ______________

Answer 4

receiving chambers

veins

Question 5

the atria ___________ to receive blood and then __________________ to push the blood into ventricles

Answer 5

relax

contract

Question 6

the myocardial wall of each atrium is not very thick, since little ___________________ is needed to move blood from the atria to the ventricles

Answer 6

pressure

Question 7

the ____________________ are earlike flaps protruding from each atrium

Answer 7

auricles

Question 8

the ventricles are the two _______________ chambers

Answer 8

lower (inferior)

Question 9

the ventricles are also known as the

“___________ ______________” since they push blood into a large network of vessels that go all over the body

Answer 9

pumping chambers

Question 10

the ventricular myocardium is ________________ than the myocardium of the atria, since great force must be generated to pump the blood a large distance

Answer 10

thicker

Question 11

the myocardium of the left ventricle is thicker than the myocardium of the right ventricle because the left ventricle pushes blood to the entire _____________

Answer 11

body

Question 12

the right ventricle pushes blood to the ____________

Answer 12

lungs