Category: pleasure of knowledge

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Why sitting is bad for you??-TED-Ed

Sitting down for brief periods can help us recover from stress or recuperate from exercise. But nowadays, our lifestyles make us sit much more than we move around. Are our bodies built for such a sedentary existence? Murat Dalkilinç investigates the hidden risks of sitting down. [wpdevart_youtube width=”640″...

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MAKE LEARNING A SNAP

       lenco®s new Snap Circuits® makes learning electronics easy and fun! Just follow the colorful pictures in our manual and build exciting projects, such as FM radios, digital voice recorders, AM radios, burglar alarms, doorbells, and much more! You can even play electronic games with your...

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Question time!!How is the oxygen differentiated from other gases in our respiratory system?

  The atmosphere contains several gases. A person inhales that combination but how is the oxygen differentiated from that in our respiratory system? We inhale oxygen, carbon dioxide and nitrogen and also exhale the same gases, though in different proportions to inhalation; that is, oxygen is exchanged for...