6.2 Transport System

IB Assessment Statements

1. Draw and label a diagram of the heart showing the four chambers, associated blood vessels,valves and the route of blood through the heart

2. State that coronary arteries supply heart muscle with oxygen and nutrients 

3. Explain the action of theheart in terms of collecting blood, pumping blood, and opening and closing ofvalves 

4. Outline the control ofthe heartbeat in terms of myogenic muscle contraction, the role of thepacemaker, nerves, the medulla of the brain and epinephrine (adrenaline) 

5. Explain the relationshipbetween the structure and function of arteries, capillaries and veins 

6. Statethat blood is composed of plasma, erythrocytes, leucocytes (phagocytes andlymphocytes) and platelets

7. State that the following aretransported by the blood: nutrients, oxygen, carbon dioxide, hormones,antibodies, urea and heat