Chapter10.2

What is this the liquid substance that makes up 55% of our blood (90% water).

• Plasma

• Platelets

• Leucocyte

• Erythrocyte

This component of our blood helps fight infection and disease in our body.

• Plasma

• Platelets

• Leucocytes

• Erythrocytes

These help transport oxygen and contain haemoglobin.

• Plasma

• Platelets

• Leucocytes

• Erythrocytes

What are the main components of blood?

• Plasma, Erythrocytes, Platelet, Leucocyte

• Plasma and Plasma protein

• Platelet, Hormones, Leucocyte

• Plasma, Oxygen and Carbon dioxide

Name the blood vessel that transports deoxygenated blood from the whole body back into heart.

• Pulmonary vein

• Pulmonary artery

• Vena cava

• Aorta

Why left ventricle has thicker wall compared to right ventricle?

• To ensure that the blood moves in one direction

• To withstand high temperature

• To prevent backflow of the heart

• To withstand high pressure

Which of the following blood vessels has valve?

• Artery

• Veins

• Aorta

• Capillaries

What is the function of valve?

• To prevent backflow of the blood

• To ensure that the blood volume does not reduced

• To maintain the pressure of blood

• To smoothen the blood flow

Which of the following leucocytes contains heparin that prevents blood clotting?

• Monocyte

• Neutrophil

• Eosinophil

• Basophil

The branches of an artery becomes small vessels known as

• Arteries

• Capillaries

• Arterioles

• Venules