Two adjacent vertebrae and the associated soft tissues form a ___________________ ___________________, the functional unit of the spine.
Fill in the blank(s) with the appropriate word(s).
motion segment
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Without pulmonary surfactant,
a. small alveoli would tend to collapse. b. larger alveoli would tend to empty into smaller alveoli. c. all alveoli would be easier to inflate. d. the surface tension in the alveoli would be reduced. e. inspirations would be easier.
Cerebrospinal fluid is found in the
A. subarachnoid space. B. ventricles of the brain. C. cisterns of the brain. D. central canal of the spinal cord. E. All of the above
During which of the following processes is the distal portion of the tail removed?
A) dipping B) fleecing C) docking D) streaking
The last blood vessel of pulmonary circulation is the:
a. pulmonary artery b. pulmonary vein c. aorta d. superior vena cava