Five Facts - The Respiratory System

The video provides an overview of the respiratory system, detailing its components such as the nose, mouth, voice box, throat, windpipe, airways, and lungs. It explains the functions of the nose, including filtering air and regulating temperature. The voice box, or larynx, is discussed in terms of its role in speech production. The video also covers the airways and lungs, describing how air travels through bronchioles. Finally, it explores the phenomenon of yawning, its causes, and its contagious nature.

Which parts of the body are involved in the respiratory system to help us breathe and talk?

• Heart and veins

• Nose, mouth, and lungs

• Stomach and intestines

• Liver and kidneys

What role do the cilia in the nose play in the respiratory system?

• They catch pollen and dust

• They produce sound

• They help in digestion

• They circulate blood

How does the larynx contribute to speech?

• By cooling the air

• By absorbing oxygen

• By filtering air

• By creating vibrations

What is the structure of the bronchioles compared to?

• A tree with branches

• A square

• A straight line

• A circle

Why might yawning be considered contagious?

• It is a sign of hunger

• It helps in digestion

• It is a form of empathy

• It indicates sleepiness