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What is the Respiratory system ? It lets us breathe. We breath oxygen , because we need oxygen in our work is that blood . We breathe in oxygen and then we breathe out what our body doesn’t need Basically this whole process is an exchange of gases .
Alveolus A tiny sac use for holding air in the lungs . Squashes the oxygen molecules so they diffuse from the alveolus into the capillary
Diaphragm Main muscle of respiration Controls the flow of air into the lung
Lung • Essential respiration organ in all air-breathing animals
Larynx The place where moving air creates voice sounds
Trachea Windpipe is the passage for the pharynx to the lungs A common biological term for an airway through which respiratory air transports
Bronchus The tube that connects the trachea with the lungs Each bronchiole ends in a cluster of air sacs called alveoli.
Bronchioles A tube in the lungs branching off from the bronchus . The smallest unit of trachea and helps in taking fresh air to lungs alveoli and taking co2