respiratory system definition and function

Oxygen, which the body needs, comes in. Anatomy of Respiratory System: Organs and Functions. The term now refers to the overall process by which oxygen is abstracted from air and is transported to the cells for the oxidation of organic molecules while carbon dioxide (CO 2 Click the link for more information.. respiratory system: see respiration respiration, process by which an organism exchanges gases with its environment. This system includes blood vessels, the lungs, airways and certain muscles. Respiratory system definition, the system by which oxygen is taken into the body and an exchange of oxygen and carbon dioxide takes place; in mammals the system includes the nasal passages, pharynx, trachea, bronchi, and lungs. Scientific definitions for respiratory system respiratory system The system of organs and structures in which gas exchange takes place, consisting of the lungs and airways in air-breathing vertebrates, gills in fish and many invertebrates, the outer covering of the body in … Definitions. When we inhale, the air enters through the nasal cavity, traveling down via the pharynx, larynx, and trachea to enter the lungs via the two primary bronchi. Click on the arrows to change the translation direction. Oxygen, which the body needs, comes in. Clear explanations of natural written and spoken English . Answer and Explanation: The function of the mouth in the respiratory system is to bring air into the lungs and moisten it. Inhaling and exhaling The respiratory system consists of tissues and organs inside the body that allow people to breathe. English; Learner’s Dictionary; Essential British English; Essential American English; Translations. Then it reaches the alveoli, the small air sacs in the lungs … In the living organism, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon. Respiratory system definition is - a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs. Your respiratory system lets you breathe in oxygen and breathe out carbon dioxide. Respiratory system definition. The respiratory system consists of tissues and organs inside the body that allow people to breathe. Respiratory system definition. Respiratory system, the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. respiratory system meaning: the organs that make it possible for you to breathe. Inhaling and exhaling The lungs are the main organ to do this.. Main functions of the respiratory system. The respiratory system is the system in the human body that enables us to breathe. Thanks so much for this article -- I'm trying to put together a unit on the respiratory system for my fourth graders in the coming months, and this article was such a good overview for me, especially how the respiratory system is so tied into the function of the circulatory system.