मानव शरीर के बारे में 

Did you know? The rate of heart attacks is higher on a Monday than on any other day of the week. And the beating sound of the heart occurs because of the closing and opening of the heart’s valves. Your brain is not fully formed until the age of 25. The information travels to your brain at a speed of 268 miles per hour. Your skin is home to more than 1,000 types of bacteria. Usually, when your body suffers from any medical condition, you will notice changes in the skin, which is a warning sign. And in every 2,000 babies is born with teeth. These are nothing but loose nasal teeth that can be sometimes removed by doctors as they can cause pain to new mothers. The tooth enamel is the part of the body, even harder than the bone. Bone is a living tissue, which means that every 7 years you have a new skeleton. And you need collagen to replenish the bones. क्या तुम्हें पता था? सप्ताह