The skin is the largest organ of the human body, covering about 16% of body weight and serving as a protective barrier.
2. The largest internal organ of the human body is _____.
The liver is the largest internal organ, responsible for detoxification, protein synthesis, and metabolism regulation.
3. The total number of muscles in the human body is _____.
The human body has around 639–650 muscles, depending on anatomical variations.
4. The longest bone in the human body is ____.
The femur, or thigh bone, is the longest and strongest bone in the human body.
5. The smallest bone in the human body is _____.
The stapes, located in the middle ear, is the smallest bone in the human body, measuring about 3 mm.
6. The hardest part of the human body is _____.
Tooth enamel is the hardest substance in the human body, even harder than bone.
7. The smallest muscle in the human body is ______.
The stapedius, located in the middle ear, is the smallest muscle in the human body.
8. The largest (bulkiest) muscle in the human body is _____.
The gluteus maximus, located in the buttocks, is the largest and bulkiest muscle in the body.
9. The number of bones in the adult human body are _____.
An adult human has 206 bones, formed after the fusion of some bones present at birth.
10. The number of bones present in infants at birth are ______.
Infants are born with around 300 bones, many of which fuse together as they grow into adulthood.
11. The filter of the body is called ____.
Kidneys act as the body’s filters, removing waste and extra fluid from blood through urine formation.
12. The pump of the body is called to ______.
The heart is the pump of the body, circulating blood throughout the body to supply oxygen and nutrients.
13. The number of vertebrae in the human body are ____.
The human vertebral column consists of 33 vertebrae: cervical (7), thoracic (12), lumbar (5), sacral (5 fused), and coccygeal (4 fused).
14. The normal body temperature of a human is ___.
Normal human body temperature is around 37°C (98.6°F).
15. The normal heartbeat of a human per minute is ____.
The average resting heart rate for a healthy adult is about 72 beats per minute.
16. The normal respiratory rate per minute is ____.
A normal adult respiratory rate is about 16–20 breaths per minute.
17. The normal blood pressure in the human body is _____.
The average normal blood pressure is 120/80 mmHg.
18. How many pairs of ribs are there in the human body?
Humans have 12 pairs of ribs, forming the ribcage that protects vital organs like the heart and lungs.
19. How many bones are there in the human arm?
Each arm has 30 bones: humerus (1), radius (1), ulna (1), carpals (8), metacarpals (5), and phalanges (14).
20. How many bones are there in the human foot?
Each foot has 29 bones: tarsals (7), metatarsals (5), and phalanges (14), plus sesamoid bones in some cases.
General Science questions are an essential part of every competitive examination. Among them, facts about the Human Body have frequently appeared in previous tests conducted by various institutions. General Science remains an inevitable area where a candidate’s general knowledge is thoroughly assessed. Hence, it becomes vital for aspirants to be well-versed in important facts about the Human Body. With this in mind, we have carefully prepared a comprehensive set of MCQs on this topic, enabling candidates to practice effectively for questions that are likely to appear in upcoming examinations, as they have consistently featured in many past exams.