Respiratory System Anatomy Overview

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What is the function of the conducting part of the respiratory system?

Transports atmospheric air to the alveoli (correct)

Humidifies and brings the air to body temperature

Performs the actual diffusion of O2 and CO2

Clears atmospheric air from foreign particles

Which part of the respiratory system is responsible for the exchange of oxygen and carbon dioxide?

Sternum

Conducting part

Alveoli and their ducts (correct)

Diaphragm

What anatomical feature forms the lower boundary of the thoracic chamber?

Vertebral column

Ventrally by the sternum

Dome-shaped diaphragm (correct)

Ribs

In the thoracic chamber, which structure forms the lateral boundaries?

Ribs Signup and view all the answers

Which process involves drawing atmospheric air in and releasing CO2 rich alveolar air out?

Breathing or pulmonary ventilation Signup and view all the answers

Why is any change in the volume of the thoracic cavity reflected in the lung cavity?

To enable proper breathing Signup and view all the answers

What is the main purpose of cellular respiration?

Utilisation of O2 for catabolic reactions Signup and view all the answers

During which stage of breathing is atmospheric air drawn into the lungs?

Inspiration Signup and view all the answers

What initiates the process of inspiration during breathing?

Contraction of diaphragm Signup and view all the answers

What role do the external and internal intercostal muscles play in breathing?

Create pressure gradient between lungs and atmosphere Signup and view all the answers

When does expiration occur during breathing?

When intra-pulmonary pressure is higher than atmospheric pressure Signup and view all the answers

Which process involves the movement of air into and out of the lungs by creating a pressure gradient?

Breathing Signup and view all the answers

Respiratory System Anatomy Overview

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Questions and Answers

What is the function of the conducting part of the respiratory system?

Which part of the respiratory system is responsible for the exchange of oxygen and carbon dioxide?

What anatomical feature forms the lower boundary of the thoracic chamber?

In the thoracic chamber, which structure forms the lateral boundaries?

Which process involves drawing atmospheric air in and releasing CO2 rich alveolar air out?

Why is any change in the volume of the thoracic cavity reflected in the lung cavity?

What is the main purpose of cellular respiration?

During which stage of breathing is atmospheric air drawn into the lungs?

What initiates the process of inspiration during breathing?

What role do the external and internal intercostal muscles play in breathing?

When does expiration occur during breathing?

Which process involves the movement of air into and out of the lungs by creating a pressure gradient?

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