heart and blood

autoplay mavzu: heart and blood. 1 plan: 2 1. the role of the heart in the human body. 2. function of the blood . 3. blood vessels. 3 yurakni mustahkamlamoq yurakni ximoya qilmoq pulsni sanash yurak faoliyatini nazorat qilish daqiqasiga 70 zarba heart and blood your heart is a wonderful organ that works during every minute of your life you can help it work long and well. you can strengthen it, protect it from disease by exercises and regular regimen. take your pulse and in such a way you can control the work of your heart. our pulse is about 70 beats per minute. after heavy exercises the heart works faster and then the pulse will be faster too, perhaps …

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