Most long-distance communication between cells takes place through the ________ and ________ systems with their combination of chemical and electrical signals.
Fill in the blank(s) with the appropriate word(s).
nervous, endocrine
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The vibrational stimulus normally passes through the middle ear ossicles in which order?
a. incus to malleus to stapes b. incus to stapes to incus c. malleus to incus to stapes d. malleus to stapes to incus e. stapes to malleus to incus
The ____________________ serve as the conducting portion of the respiratory system, and the ____________________ are the gas-exchanging portion
Fill in the blank(s) with correct word
Each terminal bronchiole supplies air directly to
A) a single pulmonary lobule. B) over 150 million alveoli. C) a single alveolar duct. D) several alveolar sacs. E) about 6500 bronchioles.
Which of the following helps to keep blood nutrients at normal levels six to eight hours after a meal?
A. parasympathetic stimulation of the pancreas B. breakdown of glycogen in the liver releasing glucose C. increased production of insulin by the pancreas D. increased glucose uptake by cells E. glycogen synthesis