Key Terms For The Heart

Question 1

What’s an adaptation of the left ventricle

Answer 1

It is more muscular so it contract more powerfully and can pump blood around the body

Question 2

What’s an adaptation of the right ventricle

Answer 2

It’s less muscular but still contracted to get blood out of the heart to the lungs

Question 3

What’s an adaptation of the ventricles

Answer 3

Thicker walls So it can push blood out of the heart

Question 4

What’s an adaptation for the atrioventricular valves

Answer 4

They link the atria to the ventricles and stop the blood flowing back into atria when ventricles contract

Question 5

What is the atrias adaptation

Answer 5

It pushes the blood short distances into ventricles

Question 6

What’s the adaptation of the semi-lunar valves

Answer 6

They link ventricles to pulmonary arteries and aorta and then stop blood flowing back into the heart after ventricles contract

Question 7

What do the cords do

Answer 7

Attach the atrioventricular valves to ventricles to stop them being forced up into the atria when ventricles contract