Describe route through the heart and specialised blood cells

What does 'oxygenated' mean?

• Blood that is rich in oxygen.

• Blood that is low in oxygen.

• Blood that contains no nutrients.

• Blood that is high in carbon dioxide.

What does 'deoxygenated' mean?

• Blood that has had most of its oxygen removed.

• Blood that is rich in oxygen.

• Blood that contains a high amount of nutrients.

• Blood that is free from carbon dioxide.

The vena cava is a (a)   that carries blood (b)   the heart. Choose the correct options.

• vein

• artery

• to

• from

The aorta is an (a)   that carries blood (b)   the heart. Choose the correct options.

• artery

• vein

• from

• to

What is the main function of a red blood cell?

• To carry oxygen around the body.

• To fight infections in the body.

• To help in blood clotting.

• To produce hormones.

What is the main function of a white blood cell?

• To fight infection and protect the body from disease.

• To transport oxygen throughout the body.

• To help in blood clotting.

• To provide energy to the body.

Which side of the heart pumps blood to the lungs to pick up oxygen?

• The right side of the heart.

• The left side of the heart.

• The top side of the heart.

• The bottom side of the heart.

Refer to the diagram of the heart. Which side of the heart pumps blood around the rest of the body?

• The left side of the heart.

• The right side of the heart.

• The top side of the heart.

• The bottom side of the heart.

What is the name of the theory by which enzymes work?

• Lock and Key theory

• Fluid Mosaic theory

• Induced Fit theory

• Central Dogma theory

What is used to test for starch?

• Iodine solution

• Benedict's solution

• Biuret solution

• Ethanol