True friendship

 The human body goes through many changes from birth to old age. The glands and organs of the endocrine system produce the hormones that triggers different stages of development. The most important period of change is adolescence- the transition from a child to adult. During this stage of rapid growth is called puberty, the body changes shape and the reproductive organs develop. A hormone In the brain triggers puberty, while other hormones regulate functions, such as growth, mood, and sleep. Hormones for puberty  Hormones are the chemical messengers that travel between the body's organs and tissues. They can only instruct the cells that have the right receptors to detect them, so many different hormones are involved in a chain of events of puberty. The starting point  Puberty begins in the brain between the age of 9 to 12, an area of the brain called hypothalamus. Sends messages to the pituitary glands to release hormones that start the process of puberty, by instructing ...

Heart Our heart is the engine at the center of body's circulation system. It starts working even before we are born- and from then on,it beats constantly, throughout our lives. Made from a special kind of muscle not found anywhere else in the body, the hardworking heart contracts relaxes about 70 times every minute. This rhythmic pumping pushes essential blood out to the body, then fills the heart up again, ready for the next beat. Vital supplies  To keep the heart beating the cells need a constant supply of fuels and oxygen. This is delivered by the coronary blood supply- the heart's own network of blood vessels. Which penetrates the heart's walls to reach the muscles. Heart rate The heart rate is the number of beats per minute (bpm) that the heart makes. A person's average heart rate varies according to different factors such as age, gender, and level of fitness.  ●  heart beat of a person according to age   • Newborn baby = 130 bpm   • 10 year old = 90 bpm ...

At the time when I was in school. I had the best days of my life. From enjoying with friends to scolding by teacher. And there I found the meaning of true friendship. True friendship is not to save our friends but the true friendship is that you are there with your friends in any situation at any cost. And no one can break you literally no one. And I am not saying that true friends does not fight. They fight but they can't go away from each other. True friends are those who can understand your mood,your situation by seeing in your eyes. You doesn't need to tell them. I also have friends like these. And we named our group "UNBREAKABLE". That means no one can break us. If we are together than we don't need any one else. And the best part is we insult each other but none is us can take it on our heart. We eat,smile, laugh and cry together. If any of us is in problem we all came together to sout the problem. So,ya I had friends like this.So,guys this is my first blog....