What actions prevent the pharynx from forcing food back intothe mouth or nose?

Q: what is the valve thatseparates the stomach fromthe esophagus called? What isits function?

A: The digestive system comprises of mouth, salivary glands, pharynx, esophagus, stomach, small…

Q: Why does breathing through the mouth dry out the throat?

A: Normal ventilatory patterns include normal inspiration and expiration; it means the tidal volume and…

Q: What prevents swallowed food from entering the airways?

A: Food is taken inside mouth, it is chewed with the help of teeth and mixes with saliva. Food is…

Q: What are the functions of the three subdivisions of the pharynx.

A: The pharynx is a part of the throat. It is the tubes that move down to the stomach and the lungs. It…

Q: To which two organ systems does the pharynx belong?

A: The air enters through the external nostrils. The air then goes into the internal nose, which…

Q: Describe the mechanisms that prevent food from enteringthe nasal cavity and larynx during swallowing

A: In order to properly absorb all the nutrients from the body, the ingested food must be digested, and…

Q: What process is occurring when the soft palate and larynx elevate and the glottis closes?

A: The tongue can be defined as the  muscular organ  present in the mouth of most vertebrates that…

Q: Is the esophagus amuscular organ? Why even ina patient lying totally flat on ahospital bed can…

A: The oesophagus or food pipe in human beings is about 23-27 cm long.It is involved in deglutition or…

Q: Describe the structure of the pharynx.

A: Pharynx is the organ which is the part of respiratory tract.

Q: What is the function of the mucous membrane that linesthe nasal cavity?

A: As Air passes over the membrane,heat radiates from the blood and warms the air ,adjusting…

Q: What happens to the sphincters when swallowing?

A: Sphincter is a muscular tissue which is present in digestive tract to guard the passage of gastric…

Q: How is the ingress of air and reflux of acid into the oesophagus prevented when not swallowing?

A: Ans: Acid reflux: When acid is released from stomach to oesophagus it is referred to as acid reflux.…

Q: The structure that prevents the entry of liquids or solid food into the respiratory passageways…

A: The nose can be divided into external and internal portions. The external nose is the portion of the…

Q: How are the respiratory passages blocked during swallowing?

A: Swallowing, also known as deglutition in scientific circles, is the mechanism by which a substance…

Q: What is the importance of the enterohepatic circulation?

A: Enterocephatic circulation can be defined as the type of circulation in which bile is circulated…

Q: Why does an infant need a shorter pharynx in relation to swallowing?

A: Pharynx refers to the part of the body that is located in the back of the mouth and nasal cavity. It…

Q: How do pharyngeal constrictors move swallowed material tothe esophagus?

A: Food when is intake goes into the pharynx by means of propulsion via tongue. When food reaches the…

Q: Why is breathing through the mouth impossible while swallowing a food?

A: Introduction: Breathing is the process of inhaling air into the lungs and then exhaling it out of…

Q: How does gargling with salt water reduce the swelling of a sore throat?

A: Gargling is a process where an individual carries out the washing of his/her throat using a…

Q: What is the valve thatseparates the duodenum fromthe stomach called? What isits function?

A: The stomach is the most important organ where the digestive processes take place. The stomach has…

Q: What is the route of theingested food from swallowinguntil the duodenum?

A: Digestion is a very important mechanism that occurs in organisms. It helps to digest large molecules…

Q: Name the three regions of the pharynx. With what otherstructures does each part communicate?

A: The three regions of the pharynx are: Nasopharynx Oropharynx Laryngopharynx The nasopharynx is the…

Q: Identify the muscles of the pharynx, and explain their functionin swallowing.

A: The passageway that connects the oral and nasal cavities with the esophagus and the larynx is called…