Kabir AKMN 
Retina transmits light down the optical nerve so you can see clearly in both bright and dim lighting conditions. The main function of the retina is to transform the rays of light (which strike the eye) into electrical impulses that travel through the optic nerve to your brain. This process allows you to see clearly … Read more
The lungfish is the oldest living animal on earth. It lives in muddy waters in Africa, South America, and Australia. What seems most surprising about these creatures is that they can survive without breathing air. They have developed the ability to respire through their skin, mouth, and gills. These fish can live without oxygen for … Read more
All human bodies are made up of four different types of tissues: muscle, nerve, blood, and skin. Each tissue has its own role to play in the body. For example, skin is the largest organ in the human body. It helps protect us by keeping out pathogens and absorbing moisture. It also protects against injury … Read more
Cell differentiation is the process by which a single cell splits into two different cells. In other words, it’s how we grow from a zygote to a human being. Differentiation is important for all living things because it ensures that each body part has the right number of cells and that no one cell gets … Read more
Bone is a living tissue that responds to healthy or unhealthy conditions by becoming thicker or thinner. During childhood, bones are actively being built up, which slows down during the teen years. Bones are also being broken down, especially after age 20 due to wear and tear and weakening as we age. Bone tissue is … Read more
Disinfection and sterilization are two terms that are often confused by people because on the surface they would appear to mean the same thing. However, there is a very clear difference between disinfection and sterilization. Properly disinfecting a surface means that it has been thoroughly cleaned of visible dirt, removing any remaining bacteria with a … Read more