The heart Flashcards
1
Q
Where is the pacemaker?
A
in the right atrium wall
2
Q
What does a pacemaker do?
A
a group of cells which creates electrical signals which causes the heart muscle to contract
3
Q
Step one of the heart
A
blood comes into heart from cena cava to right artrium
4
Q
Step 2 of the heart
A
blood moves into right ventricle
5
Q
Step 3 of heart
A
blood is pushed into pulmonary arteries into the lungs
6
Q
Step 4 of heart
A
after picking up oxygen blood travels back to the heart through pulmonary veins to left atrium
7
Q
Step 5 of heart
A
blood then goes into left ventricle
8
Q
Step 6 of heart
A
blood is then pumped out to the body through the aorta
