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Task from Our Teacher
Digestive System
The first digestive process takes place in the mouth. The food we eat is broken up into small pieces by the action of teeth, mixed with saliva, a juice secreted by glands in the mouth. Saliva contains digestive juice which moistens the food, so it can be swallowed easily. From the mouth, food passes through the esophagus (the food passage) into the stomach. Here, the food is mixed with the juices secreted by the cells in the stomach for several hours. Then the food enters the small intestine. All the time the muscular walls of the intestine are squeezing, mixing … Lanjutkan membaca Digestive System
How Tsunami’s are Formed?
In Indonesia, we are very familiar with the word ” Tsunami “. This natural disaster has ever killed thousands of lives in Banda Aceh a few years ago. Indonesia mourned, the world mourned. Then, how the Tsunami happens and what is the Tsunami ? Here is a brief explanation of Tsunami. Tsunami is a term derived from Japanese, consisting of two words “tsu” and “nami”, each of which means “port” and “wave”. Meanwhile, scientists interpret it as “tidal waves” (tidal waves) or ocean waves due to earthquakes (seismic sea waves). Tsunamis are large ocean waves that come quickly … Lanjutkan membaca How Tsunami’s are Formed?
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