50 Random Facts About Human Body You Should Know

1. What is the estimated no. of cells that the human body is composed of?

Ans: 37.2 trilion

2. What is the amount of blood contains in the human body?

Ans: 5-6 litres.

3. With how many bones the human skeletal system is composed of in adult age?

Ans: 206

4. What is the largest organ in the human body?

Ans: skin

5. What is the largest gland?

Ans: liver

6. How many blood groups in the ABO system?

Ans: 4

7. How many chambers in the human heart?

Ans: 4

8. What is the average blood pressure of human being?

Ans: 120/80 mmHg

9. What is the weight of the brain?

Ans: 1.36 kg

1. What is the name of covering of central nervous system?

Ans: meninges

1. Which part of the brain controls anger, fear, body temperature?

Ans: hypothalamus

2. Which part occupies 80% of the brain?

Ans: cerebram

3. what is the function of retina?

Ans: to create reflection of an image

4. what is the master gland of the body?

Ans: pituitary gland

Human skeleton 

5. what is the amount of urine that a healthy human passes each day?

Ans: 1500 ml

6. what is the Ph of urine?

Ans: 6

7. what is the weight of heart in an average human being?

Ans: 300 gm

Heart 

8. what is the covering of heart?

Ans: pericardium

9. How many ribs in the human thorax?

Ans: 12 pairs

1. What is the percentage of calcium stored in the bones?

Ans: 97%

1. Which acid is secreted from stomach?

Ans: HCl

2. What is the amount of gastric juice secreted from stomach daily?

Ans: 2 litres

3. What is the mixed gland of the human body?

Ans: pancreas

4. What is the function of thrombocyte?

Ans: hemostasis

5. Who invented human blood grouping system?

Ans: Carl Landsteiner

6. What kind of blood is carried through artery?

Ans: oxygenated blood

7. What is the function of hemoglobin?

Ans: transport oxygen

8. Who invented Insulin?

Ans: Edward Sharpy Schafer

9. What is considered as the ‘Power house of cell’?

Ans: Mitochondria

Mitochondrion structure 

1. What is the brain of the cell?

Ans: Nucleus

1. Who is the father of anatomy?

Ans: Aristotle

2. In which muscle we can find ‘intercalated disc’?

Ans: cardiac muscle

3. Hoe many vertebrae are there in the human boby?

Ans: 33

4. Which bone is called ‘beauty bone’?

Ans: clavicle

5. Which is the longest bone in the human body?

Ans: Femur

6. What is the length of stomach?

Ans: 25 cm

7. How many teeth are there in the human body in adult life?

Ans: 32

8. Which part of the human body produces voice?

Ans: vocal cord

9. Which nerve is responsible for olfaction?

Ans: olfactory nerve

1. What is the covering of lung?

Ans: pleura

1. Which is the common pathway in between respiratory and gastrointestinal tract?

Ans: pharynx

2. What is the equivalent part of penis in female body?

Ans: clitoris

3. What is the cause of hardness in erected penis?

Ans: Increased blood

4. What is the cause of Diabetes mellitus?

Ans: insulin deficiency

5. What is the sex hormone in female?

Ans: estrogen and progesterone

6. What is the secretion of lacrimal gland?

Ans: Tear

7. What is the common but dangerous disease of eye?

Ans: Glaucoma

8. In which condition human crystalline lens becomes hazy?

Ans: catarract

9. Which is the smallest bone of human body?

Ans: stapes

Stapedectomy 

1. What is the barrier between middle ear and outer ear?

Ans: tympanic membrane