Examlex
What is the term for the inner electrons in an atom which are not available for bonding?
Tracheal Rings
Tracheal rings are C-shaped cartilaginous structures that reinforce the trachea's walls, helping keep the airway open for respiration.
Epithelial Tissue
A type of tissue that lines the outer surfaces of organs and blood vessels, as well as the inner surfaces of cavities in many internal organs.
Laryngopharynx
The region of the throat that connects the oropharynx with the larynx, facilitating the passage of food and air.
Nasopharynx
The top segment of the pharynx that links to the nasal cavity above the soft palate.
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