2. My eyes blinking would protect my eyes so they wouldn't get hit even though I have glasses, they would still get pushed by the ball and my eyes would still get hit.
3. The difference of catching the ruler and blinking reactions is that when the ball was thrown at me I blinked without thinking about blinking and I blinked for protection for my eyes, but catching the ruler by the touch, sight, and sound reactions to catch the ruler were reactions I was thinking about doing something by reaction.
4. The reflex is called,