Answer:
1.move fresh air into your body while removing waste gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide.
2.The main organ of the respiratory system is the lungs. Other respiratory organs include the nose, the trachea and the breathing muscles (the diaphragm and the intercostal muscles).
3.When you inhale through your nose or mouth, air travels down the pharynx (back of the throat), passes through your larynx (voice box) and into your trachea (windpipe). Your trachea is divided into 2 air passages called bronchial tubes. One bronchial tube leads to the left lung, the other to the right lung.
4.The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out. Oxygen breathed in from the air passes through the alveoli and into the blood and travels to the tissues throughout the body.
5.A bad habbit or ongoing pattern of behaviorthat represents moral weakness or depravity.
6.causing permanent physical harm and even death.
7.Most virtues and vices are manifested in actions which affect, and often are in their nature intended to affect, others
8.A number of specific environmental issues can impede human health and wellness. These issues include chemical pollution, air pollution and climate change.
