A _____________________ is placed on the head of a horse to lead and control it while walking
Fill in the blank(s) with correct word
halter
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When performing a dissection, you notice that some of the nerves of the thoracic section of the spinal cord have ganglia that are located very close to the spinal cord. Some run laterally along the vertebral column. Many of the postganglionic fibers extend from these "chain" ganglia over to their effector organs. You are observing nerves of the ________ division.
Fill in the blank(s) with the appropriate word(s).
Type AB has no antigens
Indicate whether the statement is true or false.
The vocal folds are located within the
A) nasopharynx. B) oropharynx. C) larynx. D) trachea. E) bronchi.
Why would decreased saliva lead to tooth decay?
a) Saliva lubricates and mixes ingested food, allowing it to be swallowed quickly and preventing tooth decay. b) Saliva contains bicarbonate ions, which increases the acidity in the oral cavity, preventing tooth decay. c) Saliva helps to moisten and cleanse the oral cavity and contains lysozymes and IgA to kill pathogenic bacteria, preventing tooth decay. d) Saliva contains salivary amylase which initiates the digestion of proteins in the food and bacteria in the oral cavity, preventing tooth decay.