Lungs are to the respiratory system as the spleen is to the
A) lymphatic system.
B) urinary system.
C) digestive system.
D) cardiovascular system.
E) muscular system.
A) lymphatic system.
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________ secretions are released into interstitial space to diffuse into the blood.
Fill in the blank(s) with the appropriate word(s).
The enzyme ________ resides in the synaptic cleft and breaks down molecules of Ach.
Fill in the blank(s) with the appropriate word(s).
According to the National Spinal Cord Injury Database, MOST spinal cord injuries are caused by:
A) acts of violence. B) athletic activities. C) falls in the elderly. D) motor vehicle crashes.
What events occur during the process of accommodation?
a. An increased tension on the suspensory ligament (zonular fibers) of the lens b. Dilation of the canal of Schlemm c. Flattening of the lens d. Focusing of light from close objects e. Relaxation of the ciliary muscle