by admin | Jul 11, 2024 | Advanced Open Water Diver
Throughout your diving career you have been told that nitrogen is an inert gas, which has no biological purpose in the human body, and serves only to dilute oxygen. While this is true when air is breathed on the surface, nitrogen can have an adverse, and potentially...
by admin | Jul 11, 2024 | Advanced Open Water Diver
Armed with a basic understanding of the respiratory and circulatory systems, gas exchange, and how they function on the surface, the next step is to examine gas exchange under pressure. In your SNSI Open Water Diver course, you were introduced to the concept of...
by admin | Jul 11, 2024 | Advanced Open Water Diver
Carbon Monoxide Poisoning Carbon Monoxide is a gas produced through the process of combustion. It is highly toxic to humans when breathed on the surface, and exponentially so when inspired under pressure. Carbon monoxide binds with hemoglobin quicker and easier than...
by admin | Jul 11, 2024 | Advanced Open Water Diver
The function of the Respiratory System is to transfer oxygen from the air we breathe into our blood and eventually to our cells. Our cells require a regular supply of oxygen in order to function properly, and in turn, they create carbon dioxide as a byproduct that...
by admin | Jul 11, 2024 | Advanced Open Water Diver
The gas inhaled by divers is a mixture of several gases that comprises it. Air is composed of approximately 78 percent nitrogen, 21 percent oxygen and one percent trace gases, such as argon, carbon dioxide and water vapor. For our purposes, we will refer to air as...
