Which of the following statements best describes the relationship between the environment and human health? a. The environment is the only factor that affects human health. b. Many aspects of the environment can have an impact on human health. c. Human health is impacted by changes in climate. d. The environment has no impact on human health. Please select the best answer from the choices provided A B C D

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.