Respiratory Systemrespiratory System In Animals

Respiratory System in Animals

The respiratory system in animals is a complex and vital system that facilitates the exchange of gases, primarily oxygen and carbon dioxide. It begins at the nose and ends at the distal alveoli.

Upper Airways

The upper airway includes the nose, sinuses, and pharynx. The nose provides olfaction and temperature regulation in hyperthermic patients. The nasal turbinates humidify and warm air, and filter particulate matter.

Lower Airways

The lower airways include the trachea, bronchi, bronchioles, and alveoli. The trachea is a stiff tube reinforced by rings of cartilage. It splits into two tubes called bronchi, which further split off many times to form smaller tubes called bronchioles. These bronchioles lead to sacs called alveoli.

Lungs

The lungs are a pair of respiratory organs used by mammals. They are comprised of millions of alveoli, where gas exchange occurs. Oxygen moves into the capillary from the alveoli, and carbon dioxide moves into the alveoli from the blood in the capillary.

Ventilation

Ventilation is the process by which air is pulled in and pushed out of the lungs. The diaphragm and intercostal muscles control the volume of the thoracic cavity, which houses the lungs. When you breathe in (inhalation), these muscles contract, increasing the volume of the thoracic cavity and causing air to rush into the lungs. When you breathe out (exhalation), these muscles relax, decreasing the space in the thoracic cavity and forcing air out of the lungs.

Defense Mechanisms

The respiratory system has several defense mechanisms. Large, inhaled airborne particles enter the nose and are deposited along the mucous lining of the nasal passages. Cilia move these particles along the mucosal barrier to the pharynx to be swallowed or expectorated. Small particles may be deposited in the alveoli, where they are phagocytized by macrophages.

Conclusion

The respiratory system is crucial for the survival of animals. It not only facilitates the exchange of gases but also plays a role in maintaining acid-base balance, acting as a blood reservoir, filtering and probably destroying emboli, metabolizing some bioactive substances, and activating some substances. Any major dysfunction of gas transfer due to disease can lead to respiratory distress or failure..

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What Is The Respiratory System Image

The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system.
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239,178 respiratory system stock photos and images available, or search for circulatory system or airway to find more great stock photos and pictures. nurse puts oxygen mask on elderly woman patient lying in the…
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The diaphragm in the respiratory system is the dome-shaped sheet of muscle that separates the chest from the abdomen. It is also referred to the thoracic diaphragm because it’s located in the thoracic cavity, or chest. It is attached to the spine, ribs and sternum and is the main muscle of respiration,…
The thoracic diaphragm is a large, flat muscle that plays a vital role in the respiratory system, and is located just beneath the two lungs, dividing the chest cavity from the abdominal cavity. With its characteristic dome shape, it is the primary respiratory muscle, also supporting the lungs and heart.
The thoracic diaphragm is a large, flat muscle that plays a vital role in the respiratory system, and is located just beneath the two lungs, dividing the chest cavity from the abdominal cavity. With its characteristic dome shape, it is the primary respiratory muscle, also supporting the lungs and heart.

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What are the Primary Functions of the Respiratory System Being one of the major biological systems, it serves a number of purposes in the human body, with three of its main functions being: Gas Exchange – A vital life-sustaining process where we inhale oxygen (O 2) and exhale carbon dioxide (CO 2) [1, 2].
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Respiratory Tract Anatomy Image

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