Digestive System Functions and Processes

The video explains how organ systems work together in the body, focusing on the digestive system. It details the process of digestion, starting from the mouth where food is chewed and mixed with saliva, to the stomach where it is further broken down. The small intestine absorbs nutrients, while the large intestine removes waste. The importance of regular toilet habits for health is emphasized.

What is the term used for a group of organs working together to perform a body function?

• Cellular network

• Organ system

• Body cluster

• Tissue group

Why must the food we eat be broken down into simpler substances?

• To change its color

• To make it taste better

• To increase its volume

• To make it soluble in water

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

• It cools the food

• It colors the food

• It makes the food spicy

• It softens the food and begins starch digestion

What happens to the food after it is chewed and mixed with saliva?

• It is expelled from the mouth

• It is absorbed in the mouth

• It is swallowed and enters the food pipe

• It remains in the mouth

What is the primary function of the stomach in digestion?

• To store food

• To expel waste

• To secrete juices that further break down food

• To absorb nutrients

Where does the food go after leaving the stomach?

• Into the bloodstream

• Back to the mouth

• Into the large intestine

• Into the small intestine

What is the main function of the small intestine?

• To break down proteins

• To secrete saliva

• To store food

• To absorb digested nutrients into the blood

What happens to the undigested food in the large intestine?

• It is expelled from the body

• It is absorbed into the blood

• It is stored for later use

• It is converted into energy

Why is it important for waste food to leave the body?

• To prevent health issues

• To increase body weight

• To enhance digestion

• To improve taste

What should be developed to ensure proper waste elimination?

• Regular exercise habits

• Regular sleeping habits

• Regular toilet habits

• Regular eating habits