Digestive System Functions and Processes

The video explains the digestion process, starting from the breakdown of complex food into simple nutrients like glucose, fatty acids, and amino acids. It covers the journey of food through the digestive tract, beginning in the mouth and ending in the anus. The video details the roles of the stomach, small intestine, and large intestine, as well as accessory organs like the liver, gallbladder, and pancreas. It emphasizes the importance of maintaining a healthy digestive system through proper nutrition and hydration.

What is the primary purpose of breaking down complex food into simpler forms?

• To make it easier to chew

• To allow the body to absorb nutrients

• To make it taste better

• To increase its volume

What is the role of saliva in the mouth during digestion?

• To break down fats

• To disinfect the food

• To turn food into a slimy ball called bolus

• To absorb nutrients

What prevents food from entering the windpipe during swallowing?

• The tongue

• The epiglottis

• The uvula

• The teeth

Which organ is responsible for disinfecting food and beginning protein digestion?

• Small intestine

• Liver

• Large intestine

• Stomach

What is the function of bile in digestion?

• To digest proteins

• To break down carbohydrates

• To aid in fat digestion

• To absorb water

What is the primary function of the large intestine?

• To digest proteins

• To absorb water from undigested food

• To produce bile

• To store enzymes

Which of the following is NOT part of the digestive tract?

• Stomach

• Small intestine

• Liver

• Esophagus