What is the respiratory system and how does it work?
The respiratory system is the complex of organs and tissues responsible for gas exchange between the external environment and our bodies. Thanks to it, we breathe: we absorb oxygen and eliminate carbon dioxide .
🔄 This process is essential for energy production in cells and for the proper functioning of the human body.
The respiratory system works in synergy with the circulatory system, which distributes oxygen to the tissues and collects carbon dioxide.
Organs and structures of the respiratory system
Here are the main elements of the respiratory system, divided into upper and lower respiratory tract:
Upper respiratory tract :
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Vestibule of the nose
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Nasal cavity and turbinates
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Oral cavity
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Pharynx
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Larynx
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Epiglottis
Lower respiratory tract :
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Trachea
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Bronchi (primary, secondary, tertiary)
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Bronchioles (terminal and respiratory)
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Alveoli, sacs and alveolar ducts
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Lungs (upper and lower lobes)
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Diaphragm
💡 The alveoli are the true protagonists of gas exchange, where oxygen is passed into the blood and CO₂ is removed.
The endocannabinoid system in the lungs
The Endocannabinoid System (ECS) is a physiological network that helps the body maintain homeostasis , or internal balance.
🔬 At the respiratory level, CB1 and CB2 receptors are present in:
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Structural cells of the lungs
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Immune cells of the respiratory tract
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Bronchial nerve endings
The SEC in the respiratory system:
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Check bronchodilation , or the opening of the airways
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Regulates the inflammatory response in allergies, infections or asthma
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It modulates the immune system in the lungs
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It produces endocannabinoids transformed into prostaglandins , useful for:
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Reduce inflammation
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Improve blood flow
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Create protective clots in case of injury
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CBD and respiratory health: documented effects
CBD is a natural activator of the ECS, and its effects in the respiratory context are increasingly studied.
🌱 Benefits of CBD on the respiratory system:
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Natural bronchodilator
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Relaxes the smooth muscles of the bronchi and bronchioles
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Improves breathing capacity in cases of asthma or bronchial hyperreactivity
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Reduces pain and respiratory stress
The receptors involved:
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CB1 : relaxes bronchial nerve endings
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CB2 : reduces inflammation through mast cells, limiting the release of histamine and serotonin
CBD improves the quality of breathing, promoting free and deep breathing , which is also essential for those who play sports.
CBD, inflammation and respiratory infections
Numerous studies confirm that CBD can support the immune system and help manage respiratory infections.
In which cases can it be useful:
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Bronchitis
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Bronchiolitis
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Colds and sore throats
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Viral or bacterial infections
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Allergic or chronic asthma
Effects of CBD on inflammation and respiratory infections
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Antimicrobial activity (viruses, bacteria, fungi)
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Expectorant action: clears the airways of mucus
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Reduction of bronchospasms (involuntary contractions of the airways)
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Continuous anti-inflammatory effect in the respiratory tract
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Immune support to heal faster and prevent relapses
📚 Latest research highlights the interaction between CBD, nitric oxide (NO), and prostanoids, offering new perspectives in the treatment of inflammatory respiratory diseases.
Conclusion: CBD for easier breathing
The endocannabinoid system is closely connected to respiratory health .
Through the use of CBD isolate , you can improve lung function , reduce inflammation , and relieve the symptoms of many respiratory conditions.
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