Substance in an inhaler, used by a person suffering One of two main divisions of the trachea (windpipe) from asthma. It widens the bronchioles and makes it leading to a lung. easier to breathe. bronchodilator bronchus or bronchi Tiny, hair-like cytoplasmic extensions of a cell A muscular sheet or membrane separating the thorax beat rhythmically. In lower animals they are and abdomen. Situated below the lungs and above the for locomotion; in higher forms, for propulsion of liver, stomach and spleen. It is dome-shaped at rest. substances, e.g. mucus from the trachea. cilia diaphragm A flap of cartilaginous tissue at the base of the tongue, The process of breathing out air from the which covers the opening to the larynx and trachea when swallowing and thus prevents food going ‘down the wrong way’. epiglottis exhalation This is a passive process, i.e. requires no energy. This At respiratory surfaces (lungs in humans, gills in fish) it is expelling air from the lungs. The diaphragm and is the removal of waste gas (carbon dioxide) and the intercostal muscles relax causing the ribs and taking in of necessary gas (oxygen). In the leaves of diaphragm to return to their original positions. These plants during photosynthesis carbon dioxide moves in actions result in a decreased volume of the thorax (chest through the stomata and oxygen moves out through the cavity) and an increase in the air pressure in the lungs, stomata. consequently air is expelled from the lungs. expiration gas/gaseous exchange
Substance in an inhaler, used by a person suffering from asthma. It widens the bronchioles and makes it easier to breathe. bronchodilator One of two main divisions of the trachea (windpipe) leading to a lung. bronchus or bronchi Tiny, hair-like cytoplasmic extensions of a cell beat rhythmically. In lower animals they are for locomotion; in higher forms, for propulsion of substances, e.g. mucus from the trachea. cilia A muscular sheet or membrane separating the thorax and abdomen. Situated below the lungs and above the liver, stomach and spleen. It is dome-shaped at rest. diaphragm A flap of cartilaginous tissue at the base of the tongue, which covers the opening to the larynx and trachea when swallowing and thus prevents food going ‘down the wrong way’. epiglottis The process of breathing out air from the exhalation This is a passive process, i.e. requires no energy. This is expelling air from the lungs. The diaphragm and intercostal muscles relax causing the ribs and diaphragm to return to their original positions. These actions result in a decreased volume of the thorax (chest cavity) and an increase in the air pressure in the lungs, consequently air is expelled from the lungs. expiration At respiratory surfaces (lungs in humans, gills in fish) it is the removal of waste gas (carbon dioxide) and the taking in of necessary gas (oxygen). In the leaves of plants during photosynthesis carbon dioxide moves in through the stomata and oxygen moves out through the stomata. gas/gaseous exchange
Biology%20Cards%20Breathing%20&%20Lungs%20Question.docx