Human Anatomy & Physiology – MCQs

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1. What is the functional unit of the kidney?





2. Which blood cells are responsible for oxygen transport?





3. The largest organ in the human body is:





4. Which part of the brain controls balance and coordination?





5. What is the normal pH of human blood?





6. Which vitamin is essential for blood clotting?





7. Which chamber of the heart pumps oxygenated blood to the body?





8. The functional unit of the nervous system is:





9. Where does gas exchange occur in the lungs?





10. Which gland regulates metabolism?





11. Which blood group is known as the universal donor?





12. The largest artery in the human body is:





13. Which muscle is called the “heart muscle”?





14. Which part of the eye regulates the amount of light entering?





15. Which organ produces insulin?





16. What type of joint is found in the shoulder?





17. Which blood vessels carry blood back to the heart?





18. The smallest bones in the human body are found in the:





19. Which part of the digestive system absorbs most nutrients?





20. Which organ is responsible for detoxification?





21. The average normal body temperature is:





22. Which part of the brain regulates breathing and heartbeat?





23. The structural and functional unit of skeletal muscle is:





24. Which blood group is the universal recipient?





25. Which bone is known as the collarbone?





26. The outermost layer of the skin is called:





27. The functional unit of the lung is:





28. Which type of blood cell helps fight infections?





29. The hardest substance in the human body is:





30. Which structure connects muscles to bones?





31. Which part of the ear is responsible for balance?





32. The pituitary gland is located in the:





33. Which organ stores bile?





34. What is the main function of red bone marrow?





35. The fluid that cushions the brain and spinal cord is:





36. Which blood vessels connect arteries and veins?





37. The voice box is also known as:





38. Which hormone regulates blood sugar levels?





39. The longest bone in the human body is:





40. Which organ produces bile?





41. Which type of joint is present in the knee?





42. Which blood component is mainly responsible for clotting?





43. Which part of the brain controls emotions and memory?





44. Which is the smallest structural unit of the body?





45. What is the main function of hemoglobin?





46. Which bone protects the brain?





47. The pancreas is both:





48. Which structure connects bones to bones?





49. The transparent front part of the eye is called:





50. The number of chromosomes in human somatic cells is:





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