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RossIn the pharynx, the primary enzymes present are salivary amylase (ptyalin) and lingual lipase. Salivary amylase helps break down starches into maltose, while lingual lipase aids in digesting fats. These enzymes begin the process of chemical digestion in the mouth before food travels to the stomach.
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Explain how feeding and digestion occur in planarians?
Planarians eat by extending their pharynx to ingest food, which then moves to the gastrovascular cavity for digestion. Once in the stomach, food particles are broken down by enzymes before nutrients are absorbed into the cells lining the cavity. Waste is then excreted through the pharynx.
What is the common passageway for both respiration and digestion?
the throat. pharynx.
What structure carries both food and air?
The pharynx carries both food and air. It is a passageway at the back of the oral and nasal cavities that leads to the esophagus (for food) and the trachea (for air).
Where does the gullet and windpipe split?
They get separated in lower pharynx. That is laryngo-pharynx.
Is throat same as pharynx?
No, the throat and the pharynx are not the same. The pharynx is a muscular tube that connects the nasal cavity to the larynx and esophagus, while the throat is a more general term that can refer to the pharynx, larynx, and surrounding tissues.
