Crystal. When most people talk about bringing out the crystal, they are often referring to a type of glass that is made from silica, lead oxide, soda or potash, and other additives. Lead crystal is prized for its durability and decorative properties, even if it does not necessarily possess a crystalline structure.
What part of the brain controls breathing and heartbeat? The brain stem controls breathing and heart rate as well as blood pressure and alertness. Found at the top of the spinal column, the brain stem consists of three main parts, including the medulla oblongata, pons and midbrain. The medulla oblongata controls cardiac and respiratory rates.
What Parts of the Brain Control Respiration. First off, lets talk about what respiration is. In order for you to live, your body needs oxygen. Cells use this oxygen in order for metabolism to take place and without it, you would have no energy. When you eat, that food is broken down and the process of respiration allows for you to convert that food into an energy form that can be used by your body.