Monocoque

The chassisThe chassis in F1 is a monocoque or shell construction that uses an external carbon fibre skin to support most... There's more... in F1F1 is the pinnacle of open wheel,  single seater car racing and arguably the highest level of any motorsport globally.... There's more... is a monocoque, or shell construction, that uses an external carbon fibreCarbon fibre is used to construct F1 cars as it has the highest strength and stiffness per density than metal... There's more... skin to support most of the car’s components. As such, the chassis is integral to the body of the vehicle.

The monocoque chassis is a safety cell for the driverOK, so we all know what the driver is, right. I've always liked the description that F1 drivers are like... There's more... in extreme situations and must therefore be almost indestructible.