When a person blinks, she is using her
A. occipitofrontalis muscle.
B. orbicularis oris.
C. procerus.
D. orbicularis oculi.
E. depressor labii inferioris.
D
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Which of the following is not true of the gastrointestinal tract?
a. It is about 9 feet long in adults. b. It is also called the alimentary canal. c. The material in the gastrointestinal tract is considered to be outside the body. d. All of the above are true of the gastrointestinal tract.
Loss of ability to extend the arm, forearm, and hand indicates damage to what nerve?
A) axillary nerve B) median nerve C) musculocutaneous nerve D) radial nerve E) ulnar nerve
Which system removes nitrogenous waste products from the blood and regulates blood pH, ion balance, and water balance?
A. Respiratory B. Urinary C. Lymphatic D. Immune E. Cardiovascular
The space between the cheeks or lips and the teeth is called the
A) pharynx. B) larynx. C) fauces. D) vestibule. E) dip sulcus.