Author: Abdul Wahab

  • Digestive System

    Digestive System

    We require energy to perform physical and mental activities. We get the energy and necessary minerals and vitamins – for proper functioning – from food that we eat. When we eat food, it is the job of the digestive system to process this food and breakdown the food into chemicals […]

  • Bacteria

    Bacteria

    Bacteria are one of the microorganisms which are familiar to most people. Many people consider the bacteria as a cause of disease, or they always cause harm to humans and other organisms. But the reality is opposite, many bacteria are also helpful for humans, animals, and plants. What are the […]

  • Brain

    Brain

    Humans are the most intelligent creatures on the Earth due to the most powerful and complex organ, the brain. The connections and make-up of our brain are what make us different from all the animals. We can think new ideas, simulate the physical situations, save memories, and make judgments by […]

  • Plate Tectonics

    Plate Tectonics

    We walk regularly on land and think that it is fixed and does not move. But in reality, the land on which we walk also move. Then why we can’t feel its movement? It is because the movement of the land is so slow that we can’t notice. It only […]

  • Sodium

    Sodium

    Sodium is a metallic element which belongs to the alkali group in the periodic table. It is one of the most known metal due to compound, sodium chloride, which is common table salt that we use in our food.