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Questions and Answers
Which of the following is part of the oral cavity?
Which of the following is part of the oral cavity?
- Esophagus
- Lip (correct)
- Liver
- Pharynx
What is the core of the lip made up of?
What is the core of the lip made up of?
- Cartilage
- Striated muscle fibers (Orbicularis Oris Muscle) (correct)
- Connective tissue
- Adipose tissue
What covers the dorsal surface of the tongue?
What covers the dorsal surface of the tongue?
- Lingual papillae (correct)
- Sweat glands
- Sebaceous glands
- Hair follicles
What type of membrane covers the inner surface of the lip?
What type of membrane covers the inner surface of the lip?
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Which feature is NOT found on the outer surface of the lip?
Which feature is NOT found on the outer surface of the lip?
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What describes the lower (ventral) surface of the tongue?
What describes the lower (ventral) surface of the tongue?
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Study Notes
Digestive System
- The digestive system is composed of the oral cavity, digestive tract, and glands associated with the digestive tract.
Oral Cavity
- Lip: • Outer surface: covered by skin with sebaceous glands, sweat glands, and hair follicles. • Inner surface: covered by a mucous membrane. • Free red margin: contains blood vessels. • Core: made up of Orbicularis Oris Muscle.
Tongue
- A mass of striated muscle covered by a mucous membrane.
- Lower surface (ventral): smooth and covered by a highly vascular mucous membrane.
- Dorsal surface: covered by lingual papillae.
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