Aloud crashing sound causes everyone in the room to quickly turn their heads toward the source of the noise. describe the path of the signal through the human nervous system from initial stimulus of sound to the response of turning the head.

the crashing sound waves went through their ears to their brain telling them to look or jump.

Explanation:

the crashing sound made them turn they heads because it was loud and it happen at random.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )