Hans and zaccharias janssen have made contributions to the development of microscopes through their work with mathematics. true or false

Which type of stimulus do mechanoreceptors detect? sound pain heat light

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

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.