Heart Flashcards
1
Q
What is the heart made out of?
A
muscle tissues
2
Q
What do the valves do?
A
They keep the blood flowing in the wrong direction They stop the blood from flowing backwards
3
Q
Name the 4 chambers of the heart.
A
right atrium
right ventricle
left atrium
left ventricle
4
Q
Describe the journey of de-oxygenated blood?
A
enters the vena cava right atrium valve right ventricle valve pulmonary artery lungs the reenters in through the pulmonary vein left atrium valve left ventricle valve aorta
5
Q
From where does the heart receive its own supply of blood?
A
coronary arteries
6
Q
What is pacemarker?
A
A group of cells in the right atrium that control the resting heart rate.
These cells create a small electric impulse which causes muscles to react
7
Q
Which side of the heart pumps deoxygenated blood to the lungs?
A
right