1. Both involve the breakdown of molecules in the body for energy.
2. Both require enzymes to break down the molecules into smaller components.
3. Both involve a series of chemical reactions.
4. Both produce energy for the body to use.
5. Both involve the absorption of small molecules into the bloodstream.
6. Both require the presence of oxygen to facilitate the reactions.
7. Both involve the conversion of molecules into simpler forms for the body to use.
8. Both involve the release of energy in the form of heat and/or ATP.