Name _________________. Overview. In this activity, you will study the effects of gravity on the planets of the Solar System. First, you need to view movies from the lunar Apollo missions, then calculate your weight on other planets. Finally, you will propose your weight on newly discovered planets around other stars.
A tracheostomy is an opening cut into the windpipe, or trachea. It is used as an airway for breathing. After the opening is made, a small tube is inserted to let air in, and to attach a breathing machine (mechanical ventilator) if needed.
A tracheostomy (trach) is an opening (stoma) through the neck into the trachea (windpipe). A plastic trach tube is inserted into the. stoma. It acts as an airway and helps to clear. secretions from the lungs. Most trach tubes have three parts: â  Outer cannula (tube) to maintain the.