Each motor unit contracts as an entire unit.
true
false

True

Explanation:

"When a nerve is activated, all the muscle fibers in the motor unit contract at the same time."I got this answer from my school's learning website.

by looking at someone you know and chat with them or look on something like a painting or anything then the person or bring a book with you and act like you reading something or think about something that you like so you can spaceout and not put attention to what is happening around you .