heartbeat
I really like biology, it makes me realize that life around me is so delicate...recently, I've learned how the heart works. By using a stethoscope, I realized the magic of two strong sounds, a 'lub' and a 'dub', the closing of the heart valves. From the moment a little baby is alive in his/her mother's tummy, these two sounds start playing like a engine that is turned on. But after ten months of relying on the mommy, this human being gets the chance to live an independent life on planet Earth. It isn't easy for the heart to continue beating, sometimes the body is really weak and tired. Sometimes, the heart needs to work so fast because we are challenging life's limits.To me, the simplest things in life are sometimes the most important. Without the heartbeat, we wouldn't be living. Without the love, we would never be happy. Without music, we wouldn't be able to express a basic universal language. Last year, I've learnt