The question about blunders

We all make blunders. It’s a part of the game".
How to avoid blunders.
Is it physically possible to avoid blunders?
I have spoken to many chess professionals, coaches and players.
Many of whom I have spoken to said no.
But few coaches said yes.
I don't understand why they say yes.
However, learnt you are you’re going to make mistakes.
Cause your brain can’t handle and remember all the things that you teach your brainIt can’t remember every single thing you teach it
So you will make blunders
And there’s no physical way you can’t make blunders
You need to sex