What happens to air mass due to temperature?

Moving air masses cause the weather to change when they contact different conditions. For example, a warm air mass moving over cold ground may cause an inversion. ... Cold air masses tend to move toward the Equator. Warm air masses tend to move toward the poles.

answer; the above answer to the above statement is (true)

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .