What muscles are not under voluntary control?

Asoccer mom is driving her 75 year old grandmother and her 9 year old daughter home after the game. the grandmother and daughter were both in the back seat and both were wearing their seat belts. a car ran a red light in front of them, causing them to t-bone that car on the passenger side. fortunately there were no serious injuries, but the grandmother did sustain several rib fractures. the mother, daughter and driver of the at-fault car were shaken up but unhurt. what are some possible reasons that the grandmother sustained rib fractures while the other victims did not?

Health is as much a social as a biological concern. analyze whether or not healthcare is equally accessible to people belonging to all strata of american society. what steps has the us government taken to address this problem? suggest one measure that can lead to a comprehensive solution to this problem.

What is the medical term for the middle ear not being able to conduct sound vibrations to the inner ear