HISTOLOGY
DIGESTIVE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many parts does the pharynx have?
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2
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1
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4
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3
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Explanation:
Detailed explanation-1: -The walls of nasopharynx, oropharynx, and laryngopharynx are composed of four layers. From internal (luminal side) to external, the layers are the mucosa, submucosa, muscle layer, and fibrosa.
Detailed explanation-2: -Carries air to the respiratory system. Delivers food and liquid to the digestive system. Pushes food into the esophagus so it’s not breathed in. Equalizes pressure in the ears and drains fluid from the ears. 13-Oct-2021
Detailed explanation-3: -Nasal pharynx – As the name suggests, it is the part of the pharynx that is present posterior to the nasal cavity. Oral pharynx – It is the part behind the oral cavity and continues in the throat till hyoid bone. More items
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