Separación por filtración – Cierto o falso

The video explains how the nose functions as a filter. It describes how the hairs and mucus inside the nose filter out large particles like dust, while allowing gas molecules such as oxygen to pass through.

What primary function does the nose serve in the respiratory system?

• It regulates body temperature.

• It stores carbon dioxide.

• It produces oxygen.

• It acts as a filter.

What do the hairs and mucus in the nose primarily filter out?

• Water vapor

• Large particles like dust

• Gas molecules

• Sound waves

How does the nose contribute to the body's defense mechanism?

• By producing antibodies

• By filtering out large particles

• By reducing body temperature

• By increasing blood flow

What is the role of mucus in the nose?

• To cool the air

• To produce sound

• To filter out large particles

• To absorb oxygen

Which of the following can pass through the nose's filtering system?

• Bacteria

• Water droplets

• Oxygen molecules

• Dust particles