The central region of the thoracic cavity containing the heart is called the ________
A) pleural cavity
B) mediastinum
C) quadrant
D) visceral cavity
B
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Unlike other joints, a __________ does not join two bones to one another.
A. suture B. syndesmosis C. gomphosis D. cartilaginous joint E. bony joint
Speculation is that morning sickness may be caused by high concentrations of the hormone _________ circulating in the woman's blood
Fill in the blank(s) with correct word
The visible portion of the hair is called the ____
a. cuticle b. medulla c. shaft d. root
All of the following occur when a rod is stimulated by light, except
A) ganglion cells pick up changes in activity in the bipolar cells. B) the retinal changes to a more linear shape. C) neurotransmitter release changes. D) Na+ permeability changes. E) ATP is hydrolyzed.