Examlex
Chloroplasts possess circular DNA and reproduce by binary fission.
Nasopharynx
The nasopharynx is the upper part of the pharynx connecting the nasal cavity above the soft palate, serving as a passageway for air from the nose to the throat.
Glottis
The opening between the vocal cords in the larynx, playing a critical role in speech and breathing.
Reverse Peristalsis
The backward movement of the contents of the digestive tract, which can lead to vomiting, as a result of the muscles contracting in the opposite direction of normal digestion.
Secretin
A hormone produced by the duodenum that stimulates the pancreas to release bicarbonate-rich fluids to neutralize stomach acid.
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