When looking at the range of motion of the various sections of the vertebral column the ________ has the most flexibility
A) lumbar spine
B) thoracic spine
C) cervical spine
D) sacral spine
C
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In the membrane "skin " of a cell, what makes up the hydrophobic interior region?
A. Protein filaments B. Fatty acid "tails" C. Carbohydrate chains D. Phosphate "heads"
Follicle-stimulating hormone is secreted by the ovaries.
Answer the following statement true (T) or false (F)
Which of the following is true regarding the levator scapulae?
A. It is innervated by the phrenic nerve. B. It elevates the scapula if the scapula is fixed. C. It rotates the scapula and depresses the apex of the shoulder. D. It flexes the neck if the scapula is fixed. E. It protracts the scapula if the humerus is fixed.
For reasons that are uncertain, hibernating animals periodically rewarm and recool during the hibernation period. It is thought that this is because
a. they need to void wastes. b. they need to eat a little to restore glycogen stores, especially in their brains. c. they need to rewarm to activate their immune systems in case they've become infected. d. two of these. e. all of these.