The part of the eye that senses vision is the:
A) lens. B) sclera. C) iris. D) retina.
ANS: D
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Alignment of the body and/or its parts is ________
Fill in the blank(s) with correct word
Which of the following statements about obsessive-compulsive disorder is FALSE?
A) It involves repetitive actions to relieve anxiety. B) The patient cleans, checks, hoards, or labels things for hours. C) The patient knows the behavior is excessive but cannot stop doing it. D) It is treated with antianxiety drugs to relive the anxiety.
The most common congenital heart defect in children is
A. coarctation of the vena cava. B. having holes in the walls that divide the chambers of the heart. C. transposition of the aorta and pulmonary artery. D. an underdeveloped left side of the heart.
What are cells that group together to perform specialized functions called??
A) organs B) systems C) tissues