Digestive system

Open Ended

What happens to food after you swallow it?

Multiple Choice

Which of the following terms refers to the muscular contractions that move food through the digestive tract?

• Amylase

• Peristalsis

• Villus

• Pepsin

Multiple Choice

Which of the following is NOT a function of the digestive system?

• Ingest food

• Break down food so nutrients can be absorbed

• Absorb nutrients

• Produce hormones

Open Ended

Explain the difference between mechanical and chemical digestion.

Multiple Select

Which structures are involved in the initial stages of digestion in the mouth? Select all that apply.

• Salivary glands

• Pharynx

• Esophagus

• Teeth

Multiple Choice

Which of the following is NOT a function of the salivary glands?

• Producing enzymes to break down carbohydrates

• Keeping the mouth alkaline

• Starting chemical digestion

• Absorbing nutrients into the bloodstream

Open Ended

Explain the difference between mechanical and chemical digestion, and give an example of each from the digestive system.

Multiple Select

Which of the following are examples of mechanical digestion?

• Chewing with teeth

• Stomach churning

• Enzymes breaking down food

• Acids dissolving food

Open Ended

Describe how the structure of the esophagus helps it perform its function in the digestive system.

Multiple Choice

What is the main function of peristalsis in the digestive system?

• Absorbing nutrients

• Breaking down food with enzymes

• Moving food through the digestive tract

• Producing saliva

Multiple Choice

Which enzyme is responsible for the chemical digestion of proteins in the stomach, and at what pH does it work best?

• Pepsin, pH=2

• Amylase, pH=7

• Lipase, pH=8

• Trypsin, pH=9

Open Ended

Compare the mechanical digestion processes in the stomach and the small intestine. How do their muscle layers contribute to digestion?

Multiple Select

Which organs are involved in the completion of chemical digestion in the small intestine? Select all that apply.

• Pancreas

• Liver

• Gallbladder

• Stomach

Open Ended

Where are bile salts made? Name three accessory glands.

Open Ended

Explain how the shape of a substrate relates to enzyme specificity and action.

Open Ended

Why is a larger surface area important in the small intestine?

Multiple Select

Which nutrients are absorbed after digestion in the small intestine?

• Monosaccharides and amino acids

• Fatty acids and glycerol

• Proteins and starch

• Vitamins and minerals

Multiple Choice

What is the primary function of the large intestine?

• Absorb nutrients

• Absorb water

• Digest proteins

• Produce bile

Multiple Choice

Which digestive structure has the longest digestion time?

• Mouth

• Stomach

• Small intestine

• Large intestine

Open Ended

What is peristalsis?

Open Ended

After learning about the digestive system, what is one thing you would like to know more about or ask a question about?

Open Ended

What are the structures and functions of the digestive system?