9. Match the name of each structure with its description. Name Description
1. Septum
2. Vena cava 3. Valve
4. Atrium 5. Aorta
6. Ventricle a. Prevents blood from flowing backwards in the heart
b. The major artery in the body taking oxygenated blood away from the heart c. The lower chamber of the heart
d. Separates the heart into a left side and right side e. Brings deoxygenated blood back to the heart f. The upper chamber of the heart
10. Put the following stages of the cycle of blood through the body (beginning at the right atrium of the heart) in the correct order by numbering them 1 to 8: • Blood is forced through a valve into the pulmonary artery. • Blood is deoxygenated as it travels through capillaries, veins and venae cavae, back to the right atrium.
• Blood is delivered to the lungs, where it is oxygenated. • Blood is forced through a valve into the aorta. • Oxygenated blood is delivered to the left atrium by the pulmonary vein. • Blood is pumped through a valve into the left ventricle. • Deoxygenated blood enters the right atrium of the heart. • Blood is pumped through a valve into the right ventricle.
Past paper questions 1. Final Examination 2019, Question 5
Answer the following question by placing a tick () in the correct box. The function of red blood cells is to: Fight infection
Clot blood Carry oxygen
2. Final Examination 2019, Question 12
The chamber of the heart marked X pumps blood around the body and generates a pulse. Name chamber X. Explain why some of the tubes connected to the heart are coloured red and some of them are coloured blue.