Category Internal organs

The respiratory tract / respiratory tract
Internal organs

The respiratory tract / respiratory tract

The respiratory tract is the term used to refer to the connections that lead air from outside to the alveoli. They are divided into the upper and lower respiratory tract, with the upper respiratory tract being formed from the nasal cavity, paranasal sinuses, nasal mucosa, nasal hair, cilia and pharynx.

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Internal organs

The gastrointestinal tract / digestive tract

The digestive tract is formed by all organs that are used for food intake, comminution, transport and absorption of food. Strictly speaking, this also includes the oral cavity and mouthparts, but the term digestive tract in general parlance is often only used to refer to the gastrointestinal tract (gastrointestinal tract).
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Internal organs

The respiratory tract / respiratory tract

The respiratory tract is the term used to refer to the connections that lead air from outside to the alveoli. They are divided into the upper and lower respiratory tract, with the upper respiratory tract being formed from the nasal cavity, paranasal sinuses, nasal mucosa, nasal hair, cilia and pharynx.
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