State the heart’s function.
Name the tissue that forms most of the heart wall at C in Fig. 2.1.
State two ways in which heart activity can be monitored.
Identify blood vessel B on Fig. 2.1, then circle your answer. aorta, coronary artery, pulmonary artery, pulmonary vein, vena cava.
A blockage of this blood vessel can seriously damage the heart. Describe one factor that may raise the risk of a blockage developing in this vessel.
Name the type of blood vessel that carries blood away from the heart, then name the type of blood vessel that carries blood towards the heart.
Deoxygenated blood from the body enters part A on Fig. 2.1. State the name of part A.
The heart contains several valves inside it. State the function of these valves.
State the name of the structure separating the two sides of the heart.