Year 11: Circulatory system

Which of these is required for cellular respiration?

• Oxygen gas (O₂)

• Carbon dioxide (CO₂)

Which of these is a product of cellular respiration?

• Oxygen gas (O₂)

• Carbon dioxide (CO₂)

Blood travelling from the heart to the body cells is

• Oxygen rich and carbon dioxide poor

• Oxygen rich and carbon dioxide rich

• Oxygen poor and carbon dioxide poor

• Oxygen poor and carbon dioxide rich

Blood travelling to the heart from the body cells is

• Oxygen rich and carbon dioxide poor

• Oxygen rich and carbon dioxide rich

• Oxygen poor and carbon dioxide poor

• Oxygen poor and carbon dioxide rich

Blue colouring indicates that blood is

• oxygen rich

• oxygen poor

Red colouring indicates that blood is

• oxygen rich

• oxygen poor

During one full circuit of the body, blood passes through the heart...

• once

• twice

• thrice

• four times

Pulmonary circulation involves blood travelling to

• the lungs

• the heart

• the rest of the body

Systemic circulation involves blood travelling to

• the lungs

• the heart

• the rest of the body

The blood flowing within the veins travels to which part of the circulatory system next?

• right atrium

• right ventricle

• left ventricle

• left atrium