1. Heart Rate: Which one raises the heart rate faster? 2. Muscles: Which one tire the muscles faster?
3. Availability of Time: Which one is better suited if you have
a. Small amount of time for exercise
b. Bigger amount of time for exercise

Which of the following substances would you expect to find in the blood, and not in the lymph? selected answers: calcium glucose calcium glucose estrogen oxygen fatty acids water answers:

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells

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?