AQA GCSE Combined Science Biology (8464):
Anatomy Questions & Answers | Latest
2025/2026 Edition for First-Attempt Success
1. What type of blood vessel is labelled X?
A) Artery
B) Capillary
C) Vein
The type of blood vessel labelled X is a capillary.
2. The following figure shows a human heart. Which blood vessel carries
deoxygenated blood away from the heart to the lungs? A, B, C, or D?
The blood vessel that carries deoxygenated blood away from the heart to the
lungs is the pulmonary artery. B.
3. The natural resting heart rate is controlled by a group of cells that act as a
pacemaker. Where in the heart are ‘pacemaker cells’ found?
A) Left atrium
B) Left ventricle
C) Right atrium
D) Right ventricle
The pacemaker cells are found in the right atrium (sinoatrial node). C.
4. Which organs in the human digestive system produce amylase?
A) Liver, small intestine and large intestine
B) Salivary glands, stomach and liver
C) Salivary glands, pancreas and small intestine
D) Stomach, pancreas and large intestine
Amylase is produced by salivary glands, pancreas and small intestine. C.
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5. The figure shows the human heart. Which blood vessel transports blood with the
highest oxygen concentration into the heart? A, B, C, or D?
The pulmonary vein transports oxygenated blood into the left atrium. D.
6. Blood pressure is a measure of the force of the blood against the walls of the
blood vessels. Which blood vessel transports blood at the highest pressure? A, B,
C, or D?
The aorta transports blood at the highest pressure. C.
7. What is the correct order for blood flowing through the heart to the lungs?
Right ventricle → pulmonary artery → lungs → pulmonary vein → left
atrium.
8. Which chamber of the heart has the thickest muscular wall?
Left ventricle.
9. Name the valve that prevents backflow of blood from the left ventricle into the
left atrium.
Mitral valve (bicuspid valve).
10. What is the name of the blood vessel that carries oxygenated blood from the
lungs to the heart?
Pulmonary vein.
11. Which blood vessel supplies the heart muscle itself with oxygenated blood?
Coronary artery.
12. What is the main function of red blood cells (erythrocytes)?
To transport oxygen from the lungs to the tissues.
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13. Which component of blood is responsible for blood clotting?
Platelets (thrombocytes).
14. What is the normal resting heart rate range for a healthy adult?
60–100 beats per minute.
15. Name the large vein that carries deoxygenated blood from the lower body into
the right atrium.
Inferior vena cava.
16. Which type of blood vessel has valves to prevent backflow of blood?
Veins.
17. What is the name of the liquid component of blood?
Plasma.
18. Which gas is transported by haemoglobin in red blood cells?
Oxygen.
19. Where in the digestive system is bile produced?
Liver.
20. Where is bile stored?
Gallbladder.
21. What is the function of bile in digestion?
To emulsify fats into smaller droplets, increasing surface area for lipase
action.