biology - the need for energy. definitions. 1.0 / 5 based on 1 rating ? BiologyNational 5SQA Created by: caitlin farquharCreated on: 12-03-13 20:53 Diaphragm a sheet of muscle that contracts during breathing in 1 of 11 Intercostal muscles muscles that contract to move the rib cage up and out 2 of 11 Cartilage rings of cartilage keep the trachea and bronchi open 3 of 11 Mucus a sticky substance in the trachea, bronchi and bronchioles that traps dirt and micro-organisms 4 of 11 Cilia tiny hairs that sweep mucus and dirt out of the lungs 5 of 11 Atria heart chambers that collect blood returning from the body or lungs 6 of 11 Ventricles heart chambers that pump the blood to the lungs or the body 7 of 11 Valves these stop the blood flowing backwards 8 of 11 Coronary artery provides the heart muscle with food and oxygen 9 of 11 Plasma the watery part of the blood which transports carbon dioxide and dissolved food 10 of 11 Haemoglobin the substance in red blood cells that combines with oxygen to give oxyhaemoglobin 11 of 11
Comments
No comments have yet been made