- The gluteus muscle is the body’s largest muscle.
- The largest cell in a human body is the female eggs and the smallest cell is male sperm.
- From head to tail, human sperm cells measure about 50 micrometer (roughly 0.002 inches).
- A kidney is approximately 10 cm long, 5 cm wide and 2.5 cm thick.
- The kidney receive 25% of the total cardiac output every minute i.e. 1200 ml. per minute.
- The urine expelled by a normal adult is about 1.4 liters per day.
- The milk teeth appear by the age of 7 months and are 20 in number.
- An adult have 32 permanent teeth, these teeth begin to replace milk teeth from the 6 th year onwards.
- Where are red blood cells [RBCs] produced?
Answer: In the bone marrow - Lifespan of red blood cells?
Answer: 120 days