10.2 Human Circulatory System

1. Name the three main components in the circulatory system of humans.

• Blood, lymphatic vessels, heart

• Blood, Haemolymph, heart

• Blood, heart, blood vessels

• Tubular heart, haemolymph, haemolymph vessels

2. Which of the following is the correct statement about blood?

• Consist of arteries, capillaries and veins that are connected to the heart, and transport blood to all the body tissues.

• Functions as a muscular pump that circulates blood to the whole body

• A type of connective tissue that is made up of blood plasma, blood cells and platelets. Blood acts as a medium of transportation

3. The heart is located between the lungs in the thorax cavity and contains four chambers namely

• the atrium and ventricle.

• the left atrium, right atrium, left ventricle and right ventricle.

• the left atrium, right atrium and a ventricle.

What wall separates the left side and right side of the heart?

• ventricle

• atrium

• septum

• the great wall

5. What parts act like doors that control blood flow in the heart?

• heart dams

• valves

• muscle

• chambers

6. The characteristics of ventricle are:

• receives blood that returns to the heart

• has thicker walls and contract stronger than the atrium

• The wall of the right ventricle is much thicker than the wall of the left ventricle

• pumps blood out of the heart

7. Name the parts labelled by X and Y

• X: coronary veins

  Y: coronary arteries

• X: coronary arteries

  Y: coronary veins

• X: renal veins

  Y: renal arteries

8. Name the parts labelled by P, Q, R and S

• P: vena cava Q: pulmonary artery

  R: aorta S: pulmonary vein

• P: vena cava Q: pulmonary vein

  R: aorta S: pulmonary artery

• P: aorta Q: pulmonary artery

  R: vena cava S: pulmonary vein

• P: pulmonary vein Q: pulmonary artery

  R: aorta S: vena cava

9. Coronary arteries transport ___________ for heart tissues while coronary veins transport ____________ .

• deoxygenated blood, oxygenated blood

• oxygenated blood, deoxygenated blood

• oxygenated blood, blood plasma

10. Which of the following are the valves that control the blood flow from atria to ventricles?

• A & B

• B & C

• B & D

• A & C