Nothing until they're activated. Then sodium azide is reacted to rapidly produce nitrogen gas, which inflates the bag.
No, they do not have airbags
No, you do not have to buy airbags for your car. The airbags will come automatically when you buy your car.
the airbags in the lungs are for transferring oxygen into the capilliaries
Yes, airbags can be removed and replaced.
2 airbags.
10 airbags
depowered airbags
airbags on the sides of the doors of the car.
it depends on the year. if it does then you will find the letters SRS or AIRBAG on the panels where the airbags are Yes it has 4 airbags.
I don't believe there are airbags in any helicopter
1996 Chevy trucks do NOT have airbags.
The airbags that come standard on an '06 Subaru SUV are front and side curtain airbags. They also have head airbags that come standard.