NEETBotanyCell - The Unit of Life
What is the average diameter of a human red blood cell?
Options
- A3-5 µm
- B7.0 µm
- C10-15 µm
- D20-25 µm
Correct answer
B. 7.0 µm
Step-by-step solution
The largest isolated single cell is the egg of an ostrich. Among multicellular organisms, human red blood cells are about 7.0 in diameter . Nerve cells are some of the longest cells.