Cardiovascular Revision Worksheet
1. The diagram below shows an external view of the mammalian heart.
Show the positions of the following structures on the diagram.
Right atrium, left atrium, right ventricle, left ventricle, aorta, caudal vena cava,
pulmonary artery, coronary artery, cranial vena cava.
2. The diagram below shows a section through the heart seen from the same direction as the external view in question 1.
a) Label the following structures:
right and left atria, right and left ventricles, caudal and cranial vena cava, aorta, pulmonary artery and vein,
right and left atrio-ventricular valves, pulmonary and aortic semilunar valves.
b) On the diagram of the heart shown above indicate the direction of blood flow through the heart. Use red to show the pathway of oxygen-rich blood and blue the pathway of oxygen-poor blood.
3. Choose terms from the list to complete the sentences below.
atria; right hand side; vena cava; ventricles; atrioventricular valves; pacemaker;
pulmonary artery; veins; arteries; left hand side; aorta,
The top two chambers of the heart are called......................
· These structures stop blood flowing backwards into the atria.
· This side of the heart receives oxygenated blood.
· This is the largest artery in the body. It carries blood to the brain and organs.
· These are blood vessels that carry blood towards the heart.
· This structure sets the speed of the heat beats.
4. Fill in the name of the blood vessel in the table below.
Name of blood vessel
Blood?
Walls?
Towards or
away from heart
.......................
Oxygenated
Thin
Towards
........................
Oxygenated
Thick
Away from
.........................
