Which statements best explains how mitochondria help a cell get the materials it needs? A) They provide instructions needed to make proteins from amino acids B) They use energy from a sunlight to change inorganic matter into organic matter C) They push particles against their natural direction flow D) They convert energy stored in organic compounds into a usable form

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.