respiratory system

• Respiration is the process by which a body gets and uses oxygen and releases carbon dioxide and water. Respiration is divided into two parts. The first part is breathing which involves inhaling and exhaling. The second part is cellular respiration


  which involves chemical reactions or burning of food by oxygen that release energy from food. Pharynx- is the membrane-lined cavity behind the nose and mouth connecting them to the esophagus.
• Larynx- the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals. Trachea- a large membranous tube reinforced by rings of cartilage


  extending from the larynx to the bronchial tubes.
• Bronchus- any of the major air passages of the lungs that diverge from the windpipe or trachea.
• Bronchioles: are smaller tubes branching from each bronchus in the lung.
• Alveoli- are any of the many tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
• Lung- is to provide a place where oxygen can reach the blood and carbon dioxide be removed. The shape of the lung can be controlled
• bronchial tree refers to all branches of the airways within the lung
• the bronchi are tubes that branch off from the trachea into the lungs
• the trachea is the windpipe
• the right lung has three lobes (upper, middle, lower) while the left lung has two (upper, lower).
• Asthma- it is the chronic lung disease or disorders that are marked by recurring episodes of airway obstruction manifested by labored breathing. It accompanied especially by wheezing and coughing and by a sense of constriction in the chest and that is triggered by hyper reactivity to various stimuli.
• Sinusitis- it is a pain full swelling of the tissues inside the sinus or nose. It can be due to infections, allergies, or autoimmune problems. It is also an inflammation of the mucous membrane that lines the Para nasal sinuses.
• Influenza- Influenza is a viral infection that attacks your respiratory system your nose, throat and lungs. Influenza is commonly called the flu, but it’s not the same as stomach “flu” viruses that cause diarrhea and vomiting.