Year 11 Bio: Respiration, gas exchange and transport revision

Which substances are dissolved in human blood plasma?

• carbon dioxide, haemoglobin and glucose

• carbon dioxide, oxygen and haemoglobin

• glucose, hormones and urea

• oxygen, urea and starch

Which chamber of the heart has the thickest muscle wall?

• left atrium

• left ventricle

• right atricum

• right ventricle

The diagram shows the human heart and some of the blood vessels connected to it. Before blood in W reaches Z it must

• gain glucose

• give up heat to the skin

• pass through cappillaries in the lungs

• travel to the head

Which blood vessel has a high carbon dioxide concentration, a low oxygen concentration and a high blood pressure?

• aorta

• pulmonary artery

• pulmonary vein

• vena cava

Which statement is correct for most veins in the human body?

• They carry blood at high pressure

• They have a pulse

• They have valves

• They take blood away from the heart

The diagram shows a vertical section through a human heart. What are X and Y?

• A

• B

• C

• D

What is the correct sequence for blood being pumped from he heart to the lungs?

• A

• B

• C

• D

Why is the circulatory system of mammals described as a double circulation?

• Blood flows firstly through arteries and then through veins

• Blood flows through the heart twice on one complete circuit of the body

• In the heard, blood flows firstly through atria and then through ventricles

• The atria and the ventricles contract alternately

The diagram shows human blood as seen through a light microscope. A person's blood is unable to clot. Which component of the blood is not functioning properly?

• A

• B

• C

• D

In which list do all three blood vessels carry oxygenated blood?

• aorta, pulmonary artery, renal artery

• aorta, pulmonary vein, renal artery

• vena cava, pulmonary artery, renal vein

• vena cava, pulmonary vein, renal vein