說的真有道理

rectum Rectum - Anatomy & Physiology - WikiVet

The epiglottis is shaped like a leaf, with the stem attached to the anterior part of the thyroid cartilage.

The epiglottis is one of nine cartilaginous structures that make up the larynx (voice box).

During breathing, it lies completely within the larynx. During swallowing it serves as part of the anterior of the pharynx

\