Answer:
The answer is B: It is a tube lined with a mucous membrane.
Explanation:
The pharynx is a smooth tube approximately 12 cm long, which begins at the level of the neck and ends at the epiglottis, is related to both breathing and oral use; it is lined with a mucous menbrana; emits intelligible sounds, being the biggest resonator.
Vitamin C because it is a water-soluble
Answer:
It transforms into the interstitial fluid, travels through lymphatic channels, and returns to the bloodstream.
Explanation:
Answer:
The correct option is: c. Mandibular
Explanation:
Paranasal sinuses are the hollow air-filled spaces present between the bones of the skull and the bones of the face, surrounding the nasal cavity.
The four paranasal sinuses are: maxillary sinuses (present under the eyes), frontal sinuses (present above the eyes) , ethmoidal sinuses (present between the eyes), sphenoidal sinuses (present behind the eyes).
<u>Therefore, Mandibular is </u><u>not</u><u> a paranasal sinus.</u>
