1
1 mark
1 markWhich of the following statements would be incorrect for most of the veins in the human body?
They carry blood at low pressure
They have valves
They have a pulse
They return blood to the heart
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Blood Vessels (Cambridge O Level Biology)
Exam Questions
6 mins6 questions
11 mark
1 markThe diagram below shows the human heart and some of the blood vessels associated with it.
Before blood in P reaches Q, what must it do?
Pass through capillaries
Absorb glucose
Transfer heat to the skin
Travel to the head
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21 mark
1 markThe image below shows a cross-section of a blood vessel taken from an arm.
Which row of the table correctly describe the blood vessel and its contents?
| Â | type of vessel | direction of flow | oxygenation of blood |
| A | capillary | S to T | low |
| B | vein | T to S | high |
| C | artery | S to T | high |
| D | vein | T to S | low |
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11 mark
1 markWhich blood vessel has a relatively low carbon dioxide concentration, high oxygen concentration and low blood pressure?
Pulmonary arteryÂ
Pulmonary vein
Aorta
Vena cava
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21 mark
1 markIn which list do all three blood vessels carry deoxygenated blood?
Aorta, pulmonary vein, renal artery
Vena cava, pulmonary vein, renal vein
Vena cava, pulmonary artery, renal vein
Aorta, pulmonary artery, renal artery
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31 mark
The diagram shows a section through part of a vein.
What could be the first organs found in directions 1 and 2 on the diagram?
| Â | direction 1 | direction 2 |
| A | heart | brain |
| B | intestine | liver |
| C | liver | heart |
| D | lung | heart |
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