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1. Trachea- The main function of the trachea is to provide a clear airway for air to enter and exit the lungs. In addition, the epithelium lining the trachea produces mucus that traps dust and other contaminants and prevents it from reaching the lungs. Cilia on the surface of the epithelial cells move the mucus superiorly toward the pharynx where it can be swallowed and digested in the gastrointestinal tract.
2. Bronchi- The large air passages that lead from the trachea (windpipe) to the lungs. Enlarge. Anatomy of the respiratory system, showing the trachea and both lungs and their lobes and airways.
3. Bronchioles- The tiny branch of air tubes within the lungs that is a continuation of the bronchus. The bronchioles connect to the alveoli (air sacs).
4. Alveoli- Tiny air sacs at the end of the bronchioles (tiny branches of air tubes in the lungs). 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. Carbon dioxide travels in the blood from the body's tissues and passes through the alveoli to be breathed out.
5. Lungs- The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchi then divide into smaller and smaller branches (bronchioles), finally becoming microscopic.
Answer:
1.TRACHEA
-the trachea is a key part of your respiratory system.the trachea is made of rings of cartilage.
2.BRONCHI
-the bronchi carry air into your lungs. at the end of the bronchi, the bronchioles carry air to small sacs in your lungs called alveoli.
3.parehas lng po Ito sa no. 2 I think po
4.ALVEOLI
-the alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out.
5.LUNGS
-the lungs and respiratory system allow us to breath.
tWit twiT