The heart

Question 1

the heart consists of two ____ and two ____…

Answer 1

atria and ventricles

Question 2

what are the walls of the chambers formed from?

Answer 2

thick muscle

Question 3

when the blood passes through the heart what happens first?

Answer 3

the atria contract at the same time

Question 4

when the blood passes through the heart what happens after the atria have contracted?

Answer 4

the ventricles both contract at the same time

Question 5

blood from the body arrives at the heart via the ______ and enters the ______

Answer 5

vena cava

right atrium

Question 6

contraction of the _____ passes blood to the ______

Answer 6

right atrium

right ventricle

Question 7

contraction of the _____ forces blood out through the _____ to the _____

Answer 7

right ventricle
pulmonary artery
lungs

Question 8

blood enters the _____ from the _____ through the ______

Answer 8

left atrium
lungs
pulmonary vein

Question 9

contraction of the _____ atrium passes blood to the _____

Answer 9

left atrium

left ventricle

Question 10

contraction of the _____ forces blood out through the _____ towards the rest of the body

Answer 10

left ventricle

aorta