Human Body

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1. Which organ pumps blood in the human body

A) Brain
B) Heart
C) Liver
D) Kidney

2. The functional unit of kidney is

A) Neuron
B) Alveoli
C) Cell
D) Nephron

3. Which part of the brain controls balance and coordination

A) Cerebrum
B) Medulla
C) Cerebellum
D) Hypothalamus

4. Which blood cells carry oxygen

A) WBC
B) RBC
C) Platelets
D) Plasma

5. Which organ produces insulin

A) Pancreas
B) Liver
C) Kidney
D) Stomach

6. Which vitamin is essential for vision

A) Vitamin B
B) Vitamin C
C) Vitamin D
D) Vitamin A

7. The largest organ in the human body is

A) Liver
B) Skin
C) Brain
D) Heart

8. Which organ filters blood

A) Liver
B) Heart
C) Kidney
D) Lung

9. The human heart has how many chambers

A) 2
B) 3
C) 5
D) 4

10. Which organ helps in respiration

A) Lung
B) Heart
C) Kidney
D) Liver

11. Which gland is known as the master gland

A) Thyroid
B) Pituitary
C) Adrenal
D) Pancreas

12. Which part of the digestive system absorbs nutrients

A) Stomach
B) Large intestine
C) Esophagus
D) Small intestine

13. Which mineral is important for hemoglobin formation

A) Calcium
B) Iron
C) Sodium
D) Potassium

14. Which organ produces bile

A) Liver
B) Kidney
C) Pancreas
D) Intestine

15. Which blood component helps in clotting

A) RBC
B) WBC
C) Plasma
D) Platelets

16. Which system controls body functions

A) Digestive system
B) Respiratory system
C) Nervous system
D) Circulatory system

17. Which organ stores urine

A) Kidney
B) Liver
C) Ureter
D) Urinary bladder

18. Which disease is caused by lack of insulin

A) Cancer
B) Diabetes
C) Asthma
D) Tuberculosis

19. Which part of the skeleton protects the brain

A) Spine
B) Rib cage
C) Pelvis
D) Skull

20. Which vitamin helps in blood clotting

A) Vitamin K
B) Vitamin A
C) Vitamin C
D) Vitamin D

21. Which organ is responsible for detoxification

A) Kidney
B) Heart
C) Liver
D) Lung

22. Which type of joint is found in the shoulder

A) Hinge joint
B) Ball and socket joint
C) Pivot joint
D) Fixed joint

23. Which part of the brain controls involuntary actions

A) Cerebrum
B) Cerebellum
C) Medulla oblongata
D) Hypothalamus

24. Which vitamin deficiency causes scurvy

A) Vitamin A
B) Vitamin C
C) Vitamin B
D) Vitamin D

25. Which part of the ear helps in maintaining balance

A) Cochlea
B) Eardrum
C) Auditory nerve
D) Semicircular canals

26. Which organ is affected by hepatitis

A) Kidney
B) Heart
C) Liver
D) Lungs

27. Which muscle is responsible for breathing

A) Biceps
B) Diaphragm
C) Triceps
D) Deltoid

28. Which hormone regulates blood sugar level

A) Thyroxine
B) Adrenaline
C) Estrogen
D) Insulin

29. Which part of the digestive system stores food temporarily

A) Stomach
B) Small intestine
C) Large intestine
D) Esophagus

30. Which organ is responsible for hearing

A) Eye
B) Nose
C) Ear
D) Tongue