6 Questions
Which of the following is part of the oral cavity?
Lip
What is the core of the lip made up of?
Striated muscle fibers (Orbicularis Oris Muscle)
What covers the dorsal surface of the tongue?
Lingual papillae
What type of membrane covers the inner surface of the lip?
Mucous membrane
Which feature is NOT found on the outer surface of the lip?
Striated muscle fibers
What describes the lower (ventral) surface of the tongue?
Smooth and covered by a highly vascular mucous membrane
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.
This quiz covers the components and functions of the digestive system, including the oral cavity, digestive tract, and associated glands.
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