In addition to providing for gas exchange what are the other functions of the respiratory system?
What will be an ideal response?
Answer not provided.
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The fight-or-flight reaction prepares an animal to respond to a threatening situation, by either fighting or running away. One aspect of this response is changes in blood flow such that the skeletal muscles and heart receive higher blood flow (vessels dilate) while digestive organs receive less (vessels constrict). Which signal molecule(s) is/are involved in this response, and how do they produce
these changes in blood vessels? Explain how this example illustrates one or more of the following concepts: multiple ligands for one receptor, multiple receptors for one ligand, agonists and antagonists. What will be an ideal response?
Which type of sensory input is not integrated into the sense of equilibrium?
a. cutaneous. b. proprioceptive. c. vestibular. d. visual. e. visceral.
The gallbladder is located in the ________ quadrant.
A. right lower B. left lower C. right upper D. left upper
Where are the palatine tonsils located?
A. The roof of the nasopharynx B. At the root of the tongue C. Laterally in the oropharynx D. None of these are correct.