Select the one true statement.
Vacuoles store nutrients, water, and waste
in animal cells.
Plant cells can have chloroplasts but do
not have a cell wall.
In a plant cell, the endoplasmic reticulum
contains the master plan for cell activities
and cell development.

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.