Parts and Functions of the Respiratory System

It is defined as the act of pulling air into the lungs and eliminating air out of the lungs.

• breathing

• respiration

• oxidation

• perspiration

A flap or tissue that closes when we eat so food doesn't go down the tranchea

• epiglottis

• larynx

• pharnyx

• trachea

the air sacs within the lungs that facilitate gas exchange

• Alveoli

• Diaphragm

• Lungs

• Trachea

aka the windpipe, this is the main pathway of air going into the lungs

• Bronchi

• Diaphragm

• Lungs

• Trachea

known as the main muscle of respiration, it contracts and relaxes to allow the chest cavity to increase or decrease in size

• Bronchi

• Diaphragm

• Lungs

• Trachea

It serves as the entry and exit point of gas. It is lined with cilia and mucus to filter dust and foreign particles.

• Bronchi

• Diaphragm

• Nasal Cavity

• Oral Cavity

It is connected to the nasal and oral cavity and serves as the common passageway for food and air.

• Bronchi

• Larynx

• Pharynx

• Trachea

Which part of the respiratory system is primarily responsible for the exchange of gases?

• Alveoli

• Bronchi

• Trachea

• Larynx

What is the main function of the diaphragm in the respiratory system?

• To filter air

• To exchange gases

• To pump blood

• To aid in breathing

Which structure prevents food from entering the trachea during swallowing?

• Epiglottis

• Larynx

• Pharynx

• Bronchi