Assuming 50% efficiency, 150 kcals of chemical energy would result in of kinetic energy. A. 50 kcals
B. 75 kcals
C. 100 kcals
D. 150 kcals

Which of the following represents the greatest risk factor for a stroke? a. high glucose levels b. low glucose levels c. low blood pressure d. high blood pressure select the best answer from the choices provided. a b c d

Regular exercise doesn't keep the veins and arteries elastic . true or false

The tissues of the arms and leg can't survive for longer than without a continuous blood supply. 2 hours 1 hour 3 hours 4 hours