Cells because all living organisms have cells
One: The cell is able to move material in and out of the cell
Two: It helps the cell maintain necessary conditions for life
As you increase exercise and muscle activity, your heart rates increases. That is one feedback mechanism. Your heart delivers oxygen and nutrients to your muscle and other parts of the body quicker.
Higher order functions in language production, such as attention, are probably specifically impaired in cases of <span>transcortical motor</span> aphasia.
Answer:
Electricity flows by the movement of electrons through conductors. If a bird perches on a wire with two feet there is no motivation to go through the birds' body so electrons choose the path of least resistance and continue to flow along the wire.
Explanation: