Name the muscular wall that divides the left and right sides of the human heart.
Describe what the term double circulation means.
State one advantage of a double circulation.
Table 1.1 gives details of some structures in the human circulatory system shown in Fig. 1.1. Complete the table. One row has already been filled in for you.
Describe how blood is transported from the vena cava to the lungs. You may refer to the letters on Fig. 1.1 in your answer.
Doctors advise that a healthy diet can lower the risk of coronary heart disease. Give one other lifestyle improvement that patients can make to reduce the risk of coronary heart disease.
Sometimes surgery is needed to treat coronary heart disease. Describe one named example of surgery that can be used to treat coronary heart disease.