- 1. How many bones are there in the adult human body?
A) 180
B) 150
C) 206
D) 250
- 2. Which of the following is the largest organ in the human body?
A) Heart
B) Lungs
C) Liver
D) Skin
- 3. What is the powerhouse of the human cell?
A) Mitochondria
B) Nucleus
C) Golgi apparatus
D) Endoplasmic reticulum
- 4. How many chambers are there in the human heart?
A) 2
B) 3
C) 5
D) 4
- 5. Which part of the brain is responsible for controlling balance and coordination?
A) Occipital lobe
B) Temporal lobe
C) Frontal lobe
D) Cerebellum
- 6. What is the medical term for the voice box?
A) Trachea
B) Esophagus
C) Larynx
D) Pharynx
- 7. What is the medical term for the kneecap?
A) Patella
B) Fibula
C) Tibia
D) Femur
- 8. Which part of the human brain is responsible for processing emotions?
A) Hippocampus
B) Amygdala
C) Pons
D) Thalamus
- 9. How many pairs of chromosomes are found in a human cell?
A) 25
B) 24
C) 23
D) 22
- 10. Where are red blood cells produced in the human body?
A) Bone marrow
B) Spleen
C) Kidneys
D) Liver
- 11. What is the longest bone in the human body?
A) Fibula
B) Tibia
C) Humerus
D) Femur
- 12. What is the scientific name for the collarbone?
A) Clavicle
B) Ribs
C) Scapula
D) Humerus
- 13. Which of the following elements is most abundant in the human body?
A) Nitrogen
B) Oxygen
C) Carbon
D) Hydrogen
- 14. Which muscle in the human body is responsible for breathing?
A) Gluteus maximus
B) Quadriceps
C) Diaphragm
D) Biceps
- 15. What is the largest organ inside the human body?
A) Stomach
B) Kidneys
C) Liver
D) Lungs
- 16. Which part of the human eye controls the amount of light entering?
A) Cornea
B) Iris
C) Lens
D) Retina
- 17. How many sets of teeth does a human typically have throughout their lifetime?
A) One
B) Three
C) Four
D) Two
- 18. Which part of the human brain is responsible for language processing?
A) Broca's area
B) Cerebellum
C) Medulla oblongata
D) Occipital lobe
- 19. What is the basic unit of life in a human body?
A) Tissue
B) Atom
C) Cell
D) Molecule
- 20. Which organ is responsible for pumping blood throughout the body?
A) Heart
B) Kidney
C) Lung
D) Liver
- 21. Which system is responsible for controlling and coordinating body functions?
A) Skeletal System
B) Muscular System
C) Respiratory System
D) Nervous System
- 22. Which hormone is known as the 'stress hormone' in humans?
A) Cortisol
B) Estrogen
C) Insulin
D) Testosterone
- 23. Which vitamin is produced when the skin is exposed to sunlight?
A) Vitamin D
B) Vitamin A
C) Vitamin C
D) Vitamin K
- 24. In what part of the digestive system does absorption of nutrients primarily take place?
A) Large Intestine
B) Esophagus
C) Stomach
D) Small Intestine
- 25. Which sense do humans use to detect sound waves?
A) Smell
B) Touch
C) Taste
D) Hearing
- 26. What is the primary function of white blood cells in the human body?
A) Digestion
B) Immune defense
C) Oxygen transport
D) Excretion
- 27. What is the smallest muscle in the human body?
A) Stapedius
B) Gluteus Maximus
C) Quadriceps
D) Biceps
- 28. Which type of muscle is responsible for movement in the human body?
A) Skeletal Muscle
B) Smooth Muscle
C) Involuntary Muscle
D) Cardiac Muscle
- 29. Which blood cells are responsible for carrying oxygen in the human body?
A) Plasma
B) White Blood Cells
C) Red Blood Cells
D) Platelets
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