Which of these scenarios would most likely lead to a higher level of physical fitness among people who live in a city?
a. more people live near a fitness center
b. more people walk to school or work
c. more people carpool with neighbors
d. more people have access to fruits and vegetables

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.