Provide organs and muscles with the oxygen they need to function
Increasing Substrate Concentration increases the rate of reaction. This is because more substrate molecules will be colliding with enzyme molecules, so more product will be formed.
Aristotle finds the good and noble man to be selfish. But from his virtue and righteous behavior emerge gifts that his friends, his homeland, and his own community benefit from. He is a committed person who looks down upon material wealth, but enjoys the benefits of honor and dignity.