The us walk a straight line without stumbling or leaning forward; it continually communicates with the muscles to coordinate placement, movement, and balance.

What is the brain.

Explanation:

ill take body parts for 600.

Also could i have brainliest ill help on any question you need :)

Describe three characteristics of at-risk drivers.  

A.  Not wearing a seatbelt.

B.  Going way over the speed limit.

C. texting and driving  

Describe three characteristics of safe drivers.

A.  Something else a good driver do is knows and follows the rules of the road.

B.   A good driver always has a good attuite towards the road and the vehicles who aren’t so nice and well mannered.

C. Good driver characteristics takes time to learn how to handle any vehicle.

Describe three driver errors that could cause a collision.

A. Lack of Space

B. Impatience

C. Impairment