Five Facts - Digestive System

The video explores five fascinating facts about the digestive system. It begins with an overview of the digestive system, also known as the gastrointestinal tract, highlighting its components and length. The role of the stomach in digestion is discussed, emphasizing the protective mucus layer against strong stomach acid. The video explains the time it takes to digest food and the stomach's capacity. It also covers the importance of saliva in breaking down food and maintaining the right temperature for digestion. Finally, the functions of the pancreas and liver in producing enzymes and bile for nutrient absorption and fat breakdown are detailed.

What is another name for the digestive system?

• Gastrointestinal tract

• Respiratory tract

• Nervous system

• Circulatory system

How does the stomach protect itself from its own acid?

• By producing bile

• By creating a thick layer of mucus

• By storing acid in a separate chamber

• By neutralizing the acid with saliva

Approximately how long does it take to fully digest a meal?

• 12 hours

• 8 hours

• 4 hours

• 2 hours

What is the primary function of saliva in digestion?

• To neutralize stomach acid

• To add flavor to the food

• To break down and soften food

• To cool down the food

Which organ produces bile to aid in digestion?

• Pancreas

• Stomach

• Gallbladder

• Liver