The digestive system filters wastes from the blood.
Answer the following statement true (T) or false (F)
False
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The shape of an alveolus is
A) Round. B) Tubular. C) Polygonal. D) Elliptical.
Explain the feedback mechanism involved in true labor. Indicate the components of the feedback system (for example, identify the control center), their responses to stimuli, and the nature of the response (is it positive or negative feedback?)
What will be an ideal response?
Which statement correctly identifies the phase of the cardiac cycle that occurs when the pressure in the ventricles is lower than the pressure in the great arteries but greater than the pressure in the atria?
A. Active ventricular filling B. Passive ventricular filling C. Period of ejection D. Period of isovolumetric contraction
Joshua has had a portion of his liver removed. His physician is confident that Joshua will improve because the liver will regenerate. How is this possible?
A. Permanent cells of the liver are able to divide and replace the removed liver tissue. B. Neurons associated with the liver differentiate into liver cells to replace the missing tissue. C. Stabile cells of the liver are able to divide and replace the removed liver tissue. D. New cells are not formed; the remaining tissue just spreads out, filling the newly formed space.