Problem: Imagine five cells, each of a different shape and all requiring oxygen. Which of the following would have the most satisfactory oxygen supply? Why?
- A cube 1mm on a side.
- A cylinder 1mm long and 0.1 mm in diameter.
- A cylinder 10 mm long and 0.1 mm in diameter.
- A flat disk 0.1 mm thick and 1 mm in diameter.
- A sphere 1 mm in diameter.