Human Body Facts

The human body is one seriously complex and mysterious mechanism. We tend to think that we know our own bodies perfectly. We know how they work and what kinds of changes and processes are occurring in them every second of the day. Here you will find some general question and answer about Human body.

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

Ans: 37.2 trilion

  • What is the amount of blood contains in the human body?

Ans: 5-6 litres.

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

Ans: 206

  • What is the largest organ in the human body?

Ans: skin

  • What is the largest gland?

Ans: liver

  • How many blood groups in the ABO system?

Ans: 4

  • How many chambers in the human heart?

Ans: 4

  • What is the average blood pressure of human being?

Ans: 120/80 mmHg

  • What is the weight of the brain?

Ans: 1.36 kg

  • What is the name of covering of central nervous system?

Ans: meninges

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

Ans: hypothalamus

  • Which part occupies 80% of the brain?

Ans: cerebram

  • what is the function of retina?

Ans: to create reflection of an image

  • what is the master gland of the body?

Ans: pituitary gland

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

Ans: 1500 ml

  • what is the Ph of urine?

Ans: 6

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

Ans: 300 gm

  • what is the covering of heart?

Ans: pericardium

  • How many ribs in the human thorax?

Ans: 12 pairs

  • What is the percentage of calcium stored in the bones?

Ans: 97%

  • Which acid is secreted from stomach?

Ans: HCl

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

Ans: 2 litres

  • What is the mixed gland of the human body?

Ans: pancreas

  • What is the function of thrombocyte?

Ans: hemostasis

  • Who invented human blood grouping system?

Ans: Carl Landsteiner

  • What kind of blood is carried through artery?

Ans: oxygenated blood

  • What is the function of hemoglobin?

Ans: transport oxygen

  • Who invented Insulin?

Ans: Edward Sharpy Schafer

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

Ans: Mitochondria

  • What is the brain of the cell?

Ans: Nucleus

  • Who is the father of anatomy?

Ans: Aristotle

  • In which muscle we can find ‘intercalated disc’?

Ans: cardiac muscle

  • Hoe many vertebrae are there in the human boby?

Ans: 33

  • Which bone is called ‘beauty bone’?

Ans: clavicle

  • Which is the longest bone in the human body?

Ans: Femur

  • What is the length of stomach?

Ans: 25 cm

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

Ans: 32

  • Which part of the human body produces voice?

Ans: vocal cord

  • Which nerve is responsible for olfaction?

Ans: olfactory nerve

  • What is the covering of lung?

Ans: pleura

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

Ans: pharynx

  • What is the equivalent part of penis in female body?

Ans: clitoris

  • What is the cause of hardness in erected penis?

Ans: Increased blood

  • What is the cause of Diabetes mellitus?

Ans: insulin deficiency

  • What is the sex hormone in female?

Ans: estrogen and progesterone

  • What is the secretion of lacrimal gland?

Ans: Tear

  • What is the common but dangerous disease of eye?

Ans: Glaucoma

  • In which condition human crystalline lens becomes hazy?

Ans: catarract

  • Which is the smallest bone of human body?

Ans: stapes

  • What is the barrier between middle ear and outer ear?

Ans: tympanic membrane

Also Read: Here are some Interesting facts about Asia


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