Quick Answer. Swedish chemist and philanthropist Alfred Bernhard Nobel invented dynamite. Nobel mixed nitroglycerine and kieslguhr (diatomaceous earth) in a series of experiments in the 1860s to create the explosive, according to History Today. Nobelâs work in the arms industry led him to establish the Nobel prize.
Your bones and muscles work together through a series of impulses and signals communicated between the brain and skeletal muscles. In order to move, the nervous system signals a skeletal muscle to contract. When the muscle contracts, this movement causes the attached bone (or bones) to follow.
The respiratory system works with circulatory system. It supplies the body with oxygen and removes metabolic waste products. Oxygen is drawn into our body by breathing. Breathing is an involuntary action of the body which is controlled by the lower part of our brain called the medulla oblongata.