Describe the functions of the facial bones
A) The facial bones protect the anterior portion of the brain.
B) The facial bones protect the posterior portion of the brain and provide a site of attachment for neck muscles.
C) The facial bones protect and support the entrances to the digestive and respiratory tracts and provide a site of attachment for muscles of facial expression.
D) The facial bones provide a site of attachment for the muscles that move the eyes, jaw, and head.
E) The facial bones form the lower jaw and provide a site of attachment for muscles that allow speaking and chewing.
Answer: C
You might also like to view...
The refractory period in skeletal muscle is ____________________ than the refractory period in cardiac muscle
Fill in the blank(s) with correct word
Decreased extracellular K+ levels cause
A. hyperpolarization of plasma membranes. B. cells to become more excitable. C. hypopolarization of plasma membranes. D. increased permeability of plasma membranes. E. more action potentials to be generated.
Autonomic nervous system fibers are involved in all of the following except ________
A) altering salivary mucus secretion B) regulating gastrointestinal motility C) changing the diameter of the pupil D) adjusting heart rate and force E) maintaining tonicity of the muscles of the neck
The first group of vertebrates to successfully colonize land was the __________________
Fill in the blank with the correct word.