Select the correct definition about tissue grafts. a. allografts are between different species. b. xenografts are between individuals of the same species. c. isografts are between identical twins. d. autografts are between two genetically identical individuals.

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.