2. Year 10 - Features of the heart and their function

Question 1

What do the Atria (Left Atrium and Right Atrium) do?

Answer 1

Act as collection chamber for blood. Collected there for less than a second (roughly in time for a heart beat).

Question 2

What do the Ventricles (Left and Right Ventricles) do?

Answer 2

Act as pump to squeeze blood into an artery.

Question 3

What is the role of the septum in the heart?

Answer 3

Muscular wall, dividing the heart into left and right halves.

Question 4

What do valves do.

Answer 4

Open and close to allow one way blood flow.