1What is blood circulation?
2How much does the heart weigh?
3Write three differences between systemic circulation and pulmonary circulation.
4What is an artery? Write one of its functions.
5Describe the structure of the heart with the help of a diagram.
6Describe the process of blood circulation in the body with the help of a diagram.
7Write four differences between arteries and veins.
8What is a capillary? How long and how thick is it?
9Write the three functions of the heart.
10Why is the wall of the left ventricle the thickest and strongest?
11Name the four valves of the heart and say where each one is. What is the job of a valve?
12Why are the pulmonary artery and the pulmonary veins called exceptions?
13How many layers make up the wall of the heart? Name them.
14How are the superior vena cava and the inferior vena cava formed?