Biology - examples of enzyme Inhibitors

[natural]

1. The problem statement, all variables and given/known data
What are two(2) examples of competitive reversible inhibitors in the human body?

Two examples of non competitve reversible inhibitors in the body?

Two examples of irreversable inhibitors in the body?

[Moonbear]

You need to show your own work before we can help. What are the definitions of each of those types of inhibitors? Once you know that, it will be easier to come up with good examples.