The heart gcse revision
WebHeart It is mesodermally formed organ It is located between two lungs in the thoracic cavity. It is slightly tilted towards left. The size of the heart is roughly the size of a clenched fist. The heart is enveloped in a double walled bag of membrane called pericardium which encloses the pericardial fluid. The heart has four chambers.
The heart gcse revision
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WebThe heart has four chambers separated into two halves: The right side of the heart pumps blood to the lungs for gas exchange (this is the pulmonary circuit) The left side of the … WebThe Heart and Circulatory System Flash card questions and answers on the heart and circulation. Biology Circulation GCSE AQA Created by: Gb Created on: 17-03-13 14:44 Why is the blood circulatory system needed? To provide all cells with glucose and oxygen and remove waste products (carbon dioxide) 1 of 25
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WebThe structure of the heart is shown in the diagram below: /**/ The structure is closely related to its function. Mammals have a double circulation, which means that the right hand side of the heart pumps deoxygenated blood to the lungs in the pulmonary artery to pick up oxygen and release carbon dioxide. The oxygenated blood then returns to the left hand side of the …
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