Circulation test

Blood vessel N is

• An artery

• A vein

• A capillary

Blood vessel M carries blood at

• High pressure

• Low pressure

• Moderate pressure

This blood vessel carries blood away from the heart

• L

• M

• N

This blood vessel carries blood toward the heart

• L

• M

• N

This blood vessel carries blood to individual cells of the body

• L

• M

• N

Which of the following comparison is INCORRECT?

• Arteries carry low pressure blood while veins carry high pressure blood

• Arteries have thick walls while veins have thin walls

• Arteries accommodate rapid blood flow while veins accommodate slow blood flow

Multicellular organisms have a developed transport system because

• They have a large surface area to volume ratio

• They have a small surface area to volume ratio

• Their bodies are large enough to accommodate transport systems

The following are characteristics of red blood cells EXCEPT

• They contain haemoglobin

• They fight diseases

• They do not contain a nucleus

The main function of red blood cells is to

• Fight diseases

• Transport heat to body cells

• Carry oxygen to body cells

The four components of blood are

• Plasma, red blood cell, white blood cell, platelets

• Water, red blood cell, white blood cell, plasma

• Platelet, red blood cell, white blood cell, oxygen