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Related Concept Videos

Overview of Respiratory System01:23

Overview of Respiratory System

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The respiratory system is a complex biological apparatus that facilitates the exchange of gases, specifically oxygen and carbon dioxide, between our bodies and the environment. This system plays a vital role in the physiological process of respiration, an essential function for sustaining life.
What is the Respiratory System?
The respiratory system consists of a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary function of the respiratory system is to...
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Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

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The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
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The Respiratory System01:16

The Respiratory System

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The respiratory system is comprised of the organs that enable breathing. Air enters the nostrils and mouth, followed by the pharynx (throat) and larynx (voice box), which lead to the trachea (windpipe). In the thoracic cavity, the trachea splits into two bronchi that allow air to enter the lungs. The bronchi split into progressively smaller bronchioles and terminate in small groups of tiny sacs in the lungs called alveoli, where gas exchange occurs.
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Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
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Respiratory Capacities01:24

Respiratory Capacities

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Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
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Mechanism of Breathing I: Inspiration01:30

Mechanism of Breathing I: Inspiration

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Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
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Related Experiment Video

Updated: Apr 2, 2026

Generation of 3D Whole Lung Organoids from Induced Pluripotent Stem Cells for Modeling Lung Developmental Biology and Disease
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Development of the Respiratory System During Adolescence.

Martin Burtscher1, Marc Philippe2, Karin Vonbank3

  • 1University of Innsbruck, Innsbruck, Austria. martin.burtscher@uibk.ac.at.

Advances in Experimental Medicine and Biology
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Summary

Adolescent respiratory system development is influenced by lifestyle and environment. Understanding these factors is key to implementing preventive measures for lung health.

Keywords:
BreathingDevelopmentEnvironmentLifestyleLungRisk factorsYouth

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Area of Science:

  • Pulmonology
  • Adolescent Medicine
  • Environmental Health

Background:

  • The respiratory system develops from embryo to early adulthood.
  • Lungs must be functional at birth but continue growing for two decades.
  • Adolescence is a critical period for respiratory system development due to rapid physical growth.

Purpose of the Study:

  • To highlight the crucial factors influencing respiratory system development during adolescence.
  • To emphasize the importance of understanding these factors for preventive action.

Main Methods:

  • Review of existing literature on respiratory system development.
  • Analysis of environmental, behavioral, and health-related determinants.
  • Identification of key factors impacting lung growth and function.

Main Results:

  • Physical activity, diet, tobacco smoke, air quality (indoor/outdoor), and healthcare access significantly impact respiratory development.
  • These factors can exert positive or negative influences during the critical adolescent growth phase.

Conclusions:

  • Knowledge of beneficial and harmful effects is vital for timely preventive strategies.
  • Recommendations include promoting physical activity, reducing air pollution, encouraging green spaces, ensuring access to preventive check-ups, and utilizing therapeutic measures.