Quiz for Human Body

Q1: Which organ is responsible for pumping blood in the human body?

A. Liver B. Brain C. Heart D. Lungs

Q2: What is the structural and functional unit of the kidney?

A. Neuron B. Nephron C. Alveoli D. Axon

Q3: Which part of the brain controls voluntary actions?

A. Medulla B. Cerebrum C. Cerebellum D. Pons

Q4: Which blood cells help in clotting?

A. Red blood cells B. White blood cells C. Platelets D. Plasma

Q5: What is the normal body temperature of a healthy human?

A. 98.6°C B. 98.6°F C. 96.8°F D. 100°F

Q6: What is the function of hemoglobin?

A. Transport oxygen B. Digest proteins C. Produce energy D. Fight infection

Q7: Which part of the eye controls the amount of light entering?

A. Lens B. Retina C. Cornea D. Iris

Q8: Which bone is the longest in the human body?

A. Femur B. Humerus C. Tibia D. Fibula

Q9: Which organ produces insulin?

A. Liver B. Pancreas C. Stomach D. Intestine

Q10: Which part of the ear maintains body balance?

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

Q11: Which gas is absorbed by the human lungs?

A. Carbon dioxide B. Oxygen C. Nitrogen D. Hydrogen

Q12: Which muscle type is involuntary and found in the heart?

A. Skeletal B. Smooth C. Cardiac D. Voluntary

Q13: Which part of the brain maintains posture and balance?

A. Cerebrum B. Medulla C. Pons D. Cerebellum

Q14: Which vitamin is produced by the skin in sunlight?

A. Vitamin A B. Vitamin B12 C. Vitamin C D. Vitamin D

Q15: Which is the smallest bone in the human body?

A. Stapes B. Femur C. Ulna D. Radius

Q16: Which system includes skin, hair, and nails?

A. Digestive system B. Respiratory system C. Integumentary system D. Excretory system

Q17: Which part of the digestive system absorbs nutrients?

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

Q18: What do lymphocytes do?

A. Digest food B. Produce hormones C. Fight infections D. Regulate sugar

Q19: Which gland is called the master gland?

A. Thyroid B. Pituitary C. Pineal D. Adrenal

Q20: What is the function of alveoli in lungs?

A. Pump blood B. Digest oxygen C. Exchange gases D. Filter air