The two openings of the pharynx, one leading to trachea and the other leading to oesophagus, lie very close to each other. Yet food we swallow normally does not enter into our trachea. Why?

Q: If the esophagus and trachea were completely separated in humans, which of the following would not…

A: Introduction The respiratory system includes specialized organs for the process of respiration(…

Q: The airways exist in two major forms. What are they?

A: Airways means the conduction of air into the main respiratory organ such as the lungs from the nose…

Q: Respiration has two meanings. What are they?

A: The several layers of tissues, which are similar in function, create a certain organ in an organism.…

Q: Which of the following maintains the patency openness) of the trachea? a) C- shaped cartilage rings…

A: The respiratory system of our body consists of lungs and accessory parts. The trachea is the part of…

Q: What is the lower respiratory tract made up of?

A: Human respiratory organs form a passage through which air transports- it is called as  respiratory…

Q: Alan has been smoking for the past 20 years and has been experiencing some shortness of breath and a…

A: Step-1 During smoking, inhaled tobacco smokes moves from the upper airway and reaches to alveoli.…

Q: Discuss the arrangement of the trachea, esophagus, larynx,and epiglottis, which normally prevents…

A: BASIC INFORMATION  BREATHING  It is the process in which the air is taken in and exhaled out. The…

Q: Place these respiratory organs in the correct order that air would flow down the respiratory tract.

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: This structure blocks the opening to the respiratory system duringswallowing.a. esophagus c.…

A: The cells are the primary unit of life. Based on the number of cells an organism may be unicellular…

Q: The primary bronchi and pulmonary blood vessels penetrate the lung at a medial slit called the…

A: Lungs are the paired organs present in the thorax which are the main site of respiration in the…

Q: how is food stopped from going into nasal cavity

A: The “nasal cavity” is located above and behind the nose. It is filled with air. It is divided into…

Q: The interior of the respiratory tract is lined with a. a serosa. b. mesothelium. d.endothelium  c. a…

A: Respiration is the process by which oxygen is taken up from the atmosphere and carbon dioxide is…

Q: Which of these statements about the pharynx is true? a. It extends from the nasal and oral cavities…

A: The pharynx helps in both digestion and respiration. The pharynx extends from the opening of the…

Q: Palpate two of your laryngeal cartilages and name them. Name the ones that are impossible to palpate…

A: BASIC INFORMATION CARTILAGE  Unlike bone it is soft and flexible in nature.  Proteins and sugars…

Q: Describe the structure of the pharynx.

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

Q: The bronchi lead to the: Obronchioles O bronchi O esophagus

A: The respiratory system in humans is composed of upper and lower segments.

Q: Whereas bronchial refers to the airways in the lungs, brachial refers to the (a) back, (b) pharynx,…

A: Respiration is the process by which oxygen is taken up from the atmosphere and carbon dioxide is…

Q: Within each lung, the airway forms a branching complex called the _____.

A: The respiratory system is a system that mainly functions to deliver oxygen (O2) to the tissues in…

Q: Hepatic congestion and peripheral oedema happen due to what kind of  blood cannot enter the lungs…

A: The blood is a liquid connective tissue that helps in providing nutrition and oxygen to the cells…

Q: What do you mean by simple alveolar glands?

A: A gland is an organ, which is composed of specialized group of cells that produce secretions and…

Q: The digestive and respiratory tracts share a segment of the pharynx called the _____.

A: The pharynx is situated in the throat of human beings which plays a role in both the system of…

Q: Describe the three regions of the pharynx and theirfunctions

A: The skeleton system is one of the vital systems of a body. It is a system of bones where bones are…

Q: Why the walls of trachea are supported by cartilaginous rings?

A: The respiratory system is the set of organs that allows an individual to breathe and exchange oxygen…

Q: The mucosal portion of the trachea is lined with what type of cells?

A: Answer: The mucosal portion of the trachea is lined by ciliated pseudostratified collumnar…

Q: The superficial layer of the pleura is calledthe pleura.

A: The lungs are the primary organs of the respiratory system that is located in the thorax. It…

Q: What area of the pharynx is the inferior portion

A: Pharynx, a cone-shaped passage from the oral and nasal cavities in the head to the oesophagus and…

Q: If blood passing by a lung has less O2 than inside the lung itself, then the O2 will due to

A: Lungs are important organs in the respiration process and supplying oxygenated blood to the vital…

Q: Nutrients are carried to the cells by * food ducts stomach cells blood vessels alveoli

A: The cells are the structural and functional units of the body that perform all the necessary work of…

Q: The nasopharynx (a) is lined with a stratified squamous epithelium, (b) contains the pharyngeal…

A: The correct option is (c), the nasopharynx contains the pharyngeal tonsil.

Q: Why is it important that the trachea is reinforced with cartilage rings? Why is it advantageous that…

A: The trachea is also called as windpipe. It is a cartilaginous tube that connects the larynx to the…

Q: Which of the following is true concerning the metabolism in the lung

A: The lung comprises tissues of two main types: epithelial and mesenchymal, with a number of specific…

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: What is the name for the small flap that prevents food and drink from entering the trachea? O Larynx…

A: The trachea or the wind pipe is a wide hollow tube that connects the larynx to the bronchi of the…

Q: In chronic smokers, the lining of the trachea and bronchichanges from a pseudostratified ciliated…

A: Tobacco smoking is one of the leading causes of cancer of the lung. Tobacco smoke has more than 4000…

Q: The smallest functional unit of the lung is called the and is where gas exchange with the…

A: Lungs serve as the primary organs of the respiratory system. Mammals have two lungs which are…

Q: Which major organ lies deep to the right hypochondriac region? A. The stomach B. The spleen C. The…

A: An organ is a collection of tissues that structurally form a functional unit specialized to perform…

Q: What do you mean by alveolar glands?

A: Glands with sac like appearance are known as alveolar gland.

Q: Fill in the blank:  A mixture of lipoproteins, called ___________________, acts to reduce the…

A: The microscopic sac in the lungs, called alveoli is the site for gaseous exchange.

Q: The alveoli in the lungs where gas exchange occurs are composed of a simple squamous epithelium.…

A: Respiration is the metabolic process of taking in oxygen and giving out carbon dioxide. This process…

Q: Why is breathing through your mouth not possible while you are swallowing your food?

A: Breathing is the process of moving air into and out of the lungs, which are the organs in which gas…

Q: Which part of the bronchial tree contains ciliated simple columnar epithelium as seen in the photo…

A: Introduction The respiratory system is a biological system in animals and plants that consists of…

Q: Which of the following cartilage structures prevents swallowed food from entering the trachea? Hyiod…

A: Respiratory system is respond for transporting the gases between the atmosphere and the internal…

Q: For each of the following structures, describe in detail how the structure allows for its function.…

A: The respiratory system consists of the organs as well as other elements of your body that help you…

Q: The tubes that lead into the lungs from the trachea are called: A) BronchiolesB) AlveoliC) Pulmonary…

A: The trachea is simply also called the windpipe. It is the cartilaginous tube connecting the larynx…