During spermatogenesis, which of the following undergoes meiosis ii to produce four haploid mature sperm cells?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Which direction does the energy flow in this energy pyramid ?

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.