The Heart: Thory

Question 1

Humans have a _______-circulation system.

Answer 1

Double-circulation.

Question 2

Deoxygenated blood is sent to the ______, then back to the _______ and pumped to the rest of the body.

Answer 2

Lungs; Heart

Question 3

When looking at the heart in theory, the heart goes from _____ to ______.

Answer 3

Right to left.

Question 4

Valves are in the heart to…

Answer 4

Stop back flow of the blood when it is pumped.

Question 5

Deoxygenated blood is pumped through the _____ _____, then the _____________ ______.

Answer 5

Vena cava then pulmonary artery.

Question 6

Oxygenated blood comes from the __________ _____, then out the _______ to the rest of the body.

Answer 6

Pulmonary vein then aorta.

Question 7

So blood coming back from the body comes through the vena cava, then out the pulmonary _______ to the ______, then back through the pulmonary ______, and out the _______.

Answer 7

So blood coming back from the body comes through the vena cava, then out the pulmonary artery to the lungs, then back through the pulmonary vein, and out the aorta.
Vena cava>p artery>lungs>p vein>aorta>body