Answer:
From the information you provided, the information intentionally varied is the type of liver cells and there should not be any units for this variable unless the liver cells were categorised by a quantitative feature. The y axis would be the axis of the dependent variable measured and the x axis would be the axis of the independent variable measured.
Explanation:
<span>They are both sites of new cell formation.
They both contain structures that assist the body in cooling down if overheating occurs.
They both contain or are associated with sensory neurons. </span>