the heart ༊*·˚

Question 1

is the heart an organ that pumps and delivers blood around the body?

Answer 1

yes

Question 2

what are the walls of the heart almost entirely made of?

Answer 2

muscle

Question 3

what is this muscle supplied with?

Answer 3

oxygen by the coronary arteries

Question 4

how many chambers does the heart have?

Answer 4

4 chambers

Question 5

what do the 2 sides of the heart do?

Answer 5

fill and empty at the same time creating a coordinated and steady heartbeat

Question 6

what are the top chambers of your heart called?

Answer 6

the atria

Question 7

what type of blood is entering from the vena cava into the right atrium?

Answer 7

deoxygenated blood from your body

Question 8

what type of blood is entering from the pulmonary vein into the left atrium?

Answer 8

oxygenated blood from the lungs

Question 9

what do the atria contract and force down into the ventricles?

Answer 9

oxygenated blood

Question 10

what do the valves do with this blood?

Answer 10

stop the blood from flowing backwards out of the heart

Question 11

which way is the heart presented in diagrams?

Answer 11

as though the individual were looking at someone’s heart -> through their perspective