Answer:
shivering
Explanation:
the movement of your muscles creates friction between them, which produces heat, thus warming our bodies up.
Answer:you have to put more info
Explanation:
Airbag deployment can reach speeds of up to 200 mph. If your face, chest, or any other body part is too close to the steering wheel when the bag deploys, you could experience severe fractures or internal injuries as a result.
1.(They cause injuries to passengers)
Hope this helps!