Factpack: Lungs

The video tutorial explains the human lung's volume and structure, comparing it to a football and detailing its 300 million air chambers. It highlights the lung's capacity to hold about 3 liters of air, contrasting it with a blue whale's lung, which can hold 2500 liters. The tutorial also covers the average human's breathing frequency of 25,000 times a day and the ability to hold breath for up to 60 seconds, with some trained individuals achieving over 20 minutes.

What is the approximate volume of a human lung compared to?

• A basketball

• A football

• A tennis ball

• A volleyball

How many liters of air can a human lung hold?

• 1 liter

• 4 liters

• 2 liters

• 3 liters

What is the air capacity of a blue whale's lung?

• 2000 liters

• 1500 liters

• 1000 liters

• 2500 liters

How many times does an average person breathe in and out each day?

• 15,000 times

• 25,000 times

• 10,000 times

• 20,000 times

What is the maximum duration a trained person can hold their breath?

• Over 20 minutes

• 15 minutes

• 10 minutes

• 5 minutes