iGCSE Biology 2h: Human circulatory system

What is adrenaline?

• A hormone produced by the adrenal glands in response to fear or stress

• A type of blood vessel that carries blood at high pressure away from the heart

• The main artery that takes oxygenated blood away from the heart to the body

• The main vein that carries oxygenated blood back to the heart from the lungs

What is hemoglobin?

• A type of white blood cell that produces specific antibodies against a pathogen

• The red protein found in red blood cells that transports oxygen in the blood

• The main artery that supplies the liver with oxygenated blood

• A cell fragment that is involved in the clotting process

What are platelets?

• A type of white blood cell that produces specific antibodies against a pathogen

• The red protein found in red blood cells that transports oxygen in the blood

• The main artery that supplies the liver with oxygenated blood

• A cell fragment that is involved in the clotting process

Which blood vessel provides oxygenated, urea concentrated blood to the Kidneys?

• Hepatic artery

• Hepatic portal vein

• Renal artery

• Pulmonary artery

Which blood vessel transports nutrient rich blood from the Small intestine to the Liver?

• Pulmonary artery

• Renal artery

• Hepatic artery

• Hepatic portal vein

Whic blood vessel transports oxygen rich blood to the Liver?

• Pulmonary artery

• Renal artery

• Hepatic artery

• Hepatic portal vein

What is an artery?

• A type of blood vessel that carries blood at high pressure away from the heart to the tissues

• A type of blood vessel that carries blood at low pressure away from the heart

• A type of blood vessel that carries blood at high pressure back to the heart from the tissues

• A type of blood vessel that carries deoxygenated blood away from the heart to the lungs

What is the heart?

• An organ that pumps blood around the body in a double circulatory system

• A type of white blood cell that ingests pathogens

• The main artery that takes deoxygenated blood away from the heart to the lungs

• The main vein that carries oxygenated blood back to the heart from the lungs

What is the hepatic artery?

• The artery that supplies the liver with oxygenated blood

• The vein that carries blood away from the liver

• The main artery that takes deoxygenated blood away from the heart to the lungs

• The main vein that carries oxygenated blood back to the heart from the lungs

Which type of blood vessel has valves?

• Arteries

• Veins

• Capillaries