IGCSE components of the blood

Which of the following is not a cell found in the blood stream?

• Red blood cell

• White blood cell

• Platelet

• Plasma

Which of the following is liquid?

• Red blood cell

• White blood cell

• Platelet

• Plasma

Which of the following would not be found in blood plasma?

• Oxygen

• Glucose

• Fatty acids

• Carbon dioxide

Answer explanation

Fatty acids are insoluble in water. The plasma carries substances that are soluble in water.

What is the role of blood plasma?

• Transport

• Immunity

• Clotting

Which substance is responsible for transporting oxygen?

• Haemoglobin in a red blood cell

• Haemoglobin in a white blood cell

• Antibodies in a red blood cell

• Antibodies in a white blood cell

Without white blood cells, what would your body be unable to do?

• Transport oxygen from lungs to tissues

• Defend against disease

• Prevent blood loss following an injury

In which component of the blood would most of the carbon dioxide be found?

(a)  

In which component of the blood would most of the oxygen be found?

(a)  

When a microorganism or virus particle particle enters a person's body, what do white blood cells produce?

(a)  

Excess water in the blood stream would cause red blood cells to...?

• Lyse / burst

• Crenate / shrivel

• Plasmolyse

• Become turgid