50 Most important human body system one liner

50 Most important human body system one liner:- 👉👉 Tetanus affects the nervous system of the body.  2. The average amount of blood in a healthy human body is 5-6 liters. 3. Purification of human blood takes place in the kidneys. 4. The smallest gland in the human body is the pituitary gland in the … Read more