Cardiovascular System- Characteristics of components of the heart

Question 1

State 3 characteristics of the Atria

Answer 1

Upper chambers of the heart.
They receive blood returning to your
Returning from the body or lungs.
Right receives deoxygenated from vena cava
Left receives oxygenated from left and right pulmonary veins

Question 2

State 3 characteristics of the ventricles

Answer 2

Pumping chambers of the heart.
Thicker walls than atria.
They pump blood at a higher pressure (travel distance).
They pump blood against the force of gravity.
Left ventricle: Most muscular.
Right ventricle: pumps to lungs (pulmonary circulation).
Left ventricle: Pumps to body (systemic circulation).

Question 3

State 2 characteristics of the Tricuspid Valve

Answer 3

1 of 4 valves
Situated between right atrium & right ventricle
Prevents blood flowing backwards

Question 4

State 2 characteristics of the Bicuspid Valve

Answer 4

1 of 4 valves
Situated between left atrium & left ventricle
Allows blood to flow in correct direction

Question 5

State 2 characteristics of the Aortic Semi-lunar Valve

Answer 5

1 of 4 valves
Situated between left ventricle and aorta
Prevents backflow of blood

Question 6

State 2 characteristics of the Pulmonary Semi-lunar Valve

Answer 6

1 of 4 valves
Situated between right ventricle and pulmonary artery.