As a person ages, his or her levels of cardiorespiratory fitness tend to A. improve
B. decline
C. stay the same
D. none of the above

All Answers
As a person ages...B. Decline
The maximum... A. VO2max
Females are unable... F.
It is possible to... T.
According to this...D. 31.8 ml/kg/min
The cardiovascular system...T.
Your maximum... D. all of the above
For a typical...B. 35 ml/kg/min
The maximum oxygen... F.
Why are slow-twitch... D. Slow-twitch

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?