For most people a resting heart rate of 57 is fine. Medical guidelines put normal resting pulse (heart) rates at 60-100 BPM. 3 points off is nothing to worry about.
There are seven basic areas of operating space around the vehicle. The diagram on next slide shows the six zones, areas, or spaces surrounding the car which are visible to the driver. A zone is an area of space around a vehicle that is the width of a lane and extends as far as the driver can see. The vehicle occupies the central area, or Zone 7.
Crumple zones are designed to absorb impact energy during a collision so that most of the energy is dissipated across these zones, and not in your passenger compartment. The strong outer shell comes with front and rear crumple zones that help to absorb the impact of a crash, increasing the safety of occupants. Occupant cell The occupant cell is the space in your car containing the driver and passengers.