Separating the thorax from the abdomen, it's the chief muscle of respiration
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Chapter 20: The thoracic wall and mediastinum  The diaphragm. The diaphragm, is the most important muscle of respiration. It separates the thoracic and abdominal viscera. Three of its parts (sternal, costal, and lumbar) are inserted into the central tendon, a trifoliate structure that lies immediately inferior to the heart.
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What is the muscular wall that separates the abdominal and thoracic ...  A main function of the diaphragm is to aid respiration. When the ... This sheet of muscle separates the chest cavity from the abdomen, and it stretches across th.
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Muscles of respiration - Wikipedia  The diaphragm is the major muscle responsible for breathing. It is a thin, dome-shaped muscle that separates the abdominal cavity from the thoracic cavity. During inhalation, the diaphragm contracts, so that its centre moves caudally (downward) and its edges move rostrally (upward).
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Unit IV  The Thoracic Cage/ Respiration & Breathing  Name the primary anatomical structures of the thorax and thoracic cage. 2. ... We have explored the vertebral column and its muscle attachments and ... The thoracic cage provides attachments for muscles of the neck, thorax, upper limbs, abdomen, and back. .... This muscle separates the thoracic and abdominal cavities.
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11.4 Axial Muscles of the Abdominal Wall, and Thorax | Anatomy ...  The muscles of the vertebral column, thorax, and abdominal wall extend, flex, and ... The muscles of the chest serve to facilitate breathing by changing the size of the ... Its openings include the anal canal and urethra, and the vagina in women. .... The diaphragm separating the thoracic and abdominal cavities is the primary...
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Lungs and Respiratory System - KidsHealth  Oxygen is the most important for keeping us alive because body cells need it for energy and growth. ... Carbon dioxide is the waste gas that is produced when carbon is combined ... The lungs and respiratory system allow oxygen in the air to be taken into the ... Tiny hairs called cilia (pronounced: SIL-ee-uh) protect the nasal...
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esophagus | anatomy | Britannica.com  Food entering the pharynx relaxes this sphincter and passes through it into the ... merely a tubular connection between the pharynx and the stomach but rather may ... In many birds, for example, an expanded region of the esophagus anterior to the stomach forms a thin-walled crop, which is the bird's principal organ for the...
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The Lungs and Respiratory System. Chest/Lung Information | Patient  The right main bronchus (bronchus is the word for one of the bronchi) ... The lungs' main function is to help oxygen from the air we breathe enter the red cells in the blood. Red blood cells then carry oxygen around the body to be used in the cells ... information on how blood is pumped to the lungs and to the rest of your body.
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Respiratory System | Interactive Anatomy Guide - InnerBody  There are 3 major parts of the respiratory system: the airway, the lungs, and the .... Air inhaled through the oral cavity enters the pharynx at the oropharynx. ... or a letter D. As the bronchi branch into secondary and tertiary bronchi, the cartilage .... The 2 major respiratory gases, oxygen and carbon dioxide, are transported...
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Film Critique - Part 1: Chest  State the proper range of kVp used for the erect PA and lateral chest x-ray, and tell ... Radiographic imaging of the chest, especially the lungs is one of the most common ... Respiration is a term that is often misused in that it refers to three distinct .... The larynx or voice box is the entrance into the lower respiratory system. One...
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Gas Exchange - Biology Encyclopedia - cells, body, process, animal ...  These molecules combine with oxygen at the respiratory membrane, where oxygen ... Gills are respiratory organs that absorb oxygen from water as it flows over the ... Many spiders have book lungs, which are specialized, leaf-shaped, inward...
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Bronchus - Wikipedia  A bronchus, also known as a main or primary bronchus, is an airway in the respiratory tract that conducts air into the lungs. ... The trachea (windpipe) divides at the carina into two main or primary bronchi, the left bronchus and the right bronchus...
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The Respiratory System - Dictionary definition of The Respiratory ...  It is made of bone and cartilage (tough connective tissue) and is covered with skin. ... Larynx (LAR-ingks):: Organ between the pharynx and trachea that contains the vocal ... Pleura (PLOOR-ah):: Membrane sac covering and protecting each lung. ... A rich network of thin-walled capillaries permeates the mucus membrane...
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Anatomy and physiology of muscles involved in breathing  Muscles that expand the thoracic cavity are inspiratory muscles and induce inhalation, ... The principal muscle of inspiration is the diaphragm, a domed sheet of muscle ... Diaphragm contraction also induces the lower ribs to move upward and ... forced breathing maneuvers; resting exhalation is a passive process brought...
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vena cava | anatomy | Britannica.com  The anterior vena cava, also known as the precava, drains the head end of the body, ... from the head and neck and the arms; they also drain blood from much of the ... blood from the chest wall and the bronchi, opens into the superior vena cava ... carry oxygen-depleted blood to the right upper chamber (atrium) of the heart.
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Game # SpeedMatch Review Game - Super Teacher Tools  It's the muscle that makes you hiccup and makes your lungs work. Bobby, bowling ... It's the term for a narrow tube in the body, like the alimentary or haversian.
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Trachea - Wikipedia  The trachea, colloquially called the windpipe, is a cartilaginous tube that connects the pharynx and larynx to the lungs, ... The trachealis muscle joins the ends of the rings and these are joined vertically by bands of ... known as the carina of trachea which runs across from the front to the back of the trachea and marks the point...
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Respiratory System | Interactive Anatomy Guide - InnerBody  The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior. The lungs.
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Thoracic diaphragm - Wikipedia  In human anatomy, the thoracic diaphragm, or simply the diaphragm is a sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity. The diaphragm separates the thoracic cavity, containing the heart and lungs, from the abdominal cavity ... The diaphragm is a dome-shaped structure of muscle and fibrous tissue that...
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Book lung - Wikipedia  A book lung is a type of respiration organ used for atmospheric gas exchange that is found in many arachnids, such as scorpions and spiders. Each of these organs is found inside an open ventral abdominal, air-filled ... Many arachnids, such as mites and harvestmen (Opiliones), have no traces of book lungs and breathe...
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Comparative Physiology of the Respiratory System ... - Bentham Open  The primordial respiratory organs that evolved for water breathing were the ..... The recent discovery of a well-preserved species of fossil ... possible that these lungfish cells may be the common ... suggesting that even in this primitive lung, these proteins are .... extant amphibians but is the only means of gas exchange in.