The red pulp of the spleen functions to _____.
A) produce erythrocytes
B) produce lymphocytes
C) phagocytize senescent cells
D) produce B-cells
Ans: C) phagocytize senescent cells
Old or senescent red blood cells are lysed and phagocytized by macrophages in the red pulp sinuses of the spleen.
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A device that is used to separate blood into different components is a __________
Fill in the blank(s) with correct word
Describe osmosis
A) The passive movement of water across a selectively permeable membrane from a solution with a higher solute concentration to a solution with a lower solute concentration. B) The active movement of water across a selectively permeable membrane from a solution with a lower solute concentration to a solution with a higher solute concentration. C) The active movement of water across a selectively permeable membrane from a solution with a higher solute concentration to a solution with a lower solute concentration. D) The vesicular transport of water molecules out of a cell. E) The passive movement of water across a selectively permeable membrane from a solution with a lower solute concentration to a solution with a higher solute concentration.
A soft callus forms during ________.
A. the remodeling of bone B. bone growth at the metaphysis C. intramembranous ossification D. the healing of a fracture E. endochondral ossification
Which of the following is an alternate name for the parasympathetic nervous system?
A) the exercise division B) the emergency division C) thoracolumbar division D) the fight-or-flight system E) the craniosacral division