Next one 🔥🔥

This is short😊
Just a line

asee😂😂

Vhim😂😂

I do not have eyes but I once could see. I used to have thoughts but now
I'm empty. What am I?

Another short one

Everyone claims to know a way to stop these involuntary contractions
but none of them work.
What am I?

Eeeish😂😂😂😂

Another short one

I am rarely touched but often held, and if you are smart you'll use me
well. What am I?

Ahhhh😂😂😂

Let's go back wai😂😂

First riddle

I am a type of reversible oxidation-reduction reaction