It even drops with a splash into the watery mixture of your stomach. In this lesson, we will take a look at the parts of this ride as we follow a spoonful of cereal as it enters your mouth. View Video Only Save Timeline Video Quiz Course 56K views Throat When you slurped up ...
The bolus is then swallowed down the esophagus, a muscular tube that connects the throat (pharynx) to the stomach. 3. Stomach In the stomach, the food is further broken down by mixing with gastric acid. The stomach’s muscular walls churn the food, turning it into a semi-liquid substance...
Swallowing, the act of passing food from the mouth, by way of the pharynx (or throat) and esophagus, to the stomach. Three stages are involved in swallowing food. The first begins in the mouth. There, food is mixed with saliva for lubrication and placed
mouth, in human anatomy,orificethrough which food and air enter the body. The mouth opens to the outside at thelipsand empties into thethroatat the rear; its boundaries are defined by the lips, cheeks, hard and soft palates, andglottis. It is divided into two sections: thevestibule, the...
Mouth & Teeth Anatomy Tooth Anatomy What Are the Different Parts of a Tooth? Crown— the top part of the tooth, and the only part you can normally see. The shape of the crown determines the tooth's function. For example, front teeth are sharp and chisel-shaped for cutting, while molars...
Essentially, it forms a continuous muscular passage for air, food, and liquids to travel down from your nose and mouth to your lungs and stomach. The functions of the pharynx are accomplished by two sets of muscles which help push the food bolus further down the digestive tract. In ...
The mouth and pharynx are joined together and act as a conduit for food and liquid as well as enabling speech. The ear is joined to the throat via the Eustachian tube and the nose (rear of) is connected to the throat via the nasopharynx (top part of the pharynx which lies behind the...
Anatomy of the ventilatory apparatus refers to its architecture, bulk structure, vascularization, and innervation. Dimensions of tree-like structures, such as the pulmonary arterial, venous, and bronchial circuits, determine the efficiency of fluid distr
The walls of the nasal cavity are covered with hair, or cilia. The cilia trap dust and harmful particles to purify the inhaled air. The trapped dust particles are either: Moved to the throat , where they are swallowed Excreted through the nasal cavity ( sneezing ) Nose hair moisturizes ...
The tongue and soft palate—the soft part of the roof of your mouth—push food into the throat, which closes off the windpipe. From here, the food travels to the esophagus or swallowing tube. Esophagus The esophagus is a muscular tube that goes from the throat, behind the windpipe, and ...