Overhead projector projection carefulness bodily organ demonstration teaching aid

摘要

(57) Abstract Topic Science, giving of living thing or physical training such as Konaka high schoolIn the industry, the mechanism of lumen of the heart of the person and direction of the blood current especiallyAlternate contraction expansion and atrium and cardiac ventricle of left and right atrium and left and right cardiac ventriclePrinciple of opening and closing the atrium valve and the aorta valve and the vena cava valve on left and right of boundaryAppealing to visual sense, quickly easily you make understand just with the fact thatThe overhead projector projection carefulness bodily organ demonstration teaching aid which finishesOffer. Means In the substrate which possesses the transparent section the arteries current, the veins current and the lung,To possess the indicatory department which transmits the light which shows the cell of the body, the aforementioned substrateOn the surface the component which shows the movement of the atrium cardiac ventricle on left and right of the heart, the heartMotion of each valve of atrium cardiac ventricle valve, pulmonary arteries valve and aorta valve left and rightAs the component which shows coming is provided, in the aforementioned substrateThe operation device of the aforementioned each component which shows the movement of the heart being provided,Under the ri and the aforementioned substrate the band which possesses the indicatory department which shows the blood current of the heartThe condition transparent film being something which movement possibly is provided, aru.