1.	Which of these does not cause an increase in pulse rate?
	Exercise   Sleep   Anxiety   Fever
Hint Dica
2.	Identify the blood vessel ‘D’ in this diagram.
	Pulmonary Trunk   Inferior vena cava   Aorta   Superior vena cava
3.	Identify the blood vessel ‘A’ in this diagram.
	Pulmonary artery   Carotid artery   Inferior vena cava   Aorta
4.	Which of these is not a feature of veins?
	They return blood from the various parts of the body to the heart.   They contain valves.   They are thin-walled.   All veins carry deoxygenated blood.
Dica
5.	Very fine vessels called capillaries connect arteries and veins to each other.
	False   True