Digestive System

What is the function of the mouth in the digestive system?

• Absorbing nutrients

• Crush and break down food into smaller pieces

• Storing bile

• Producing enzymes for chemical digestion

What is the process of muscles moving in a wave-like pattern, like a tube of toothpaste?

• Peristalsis
• Digestion
• Respiration
• Excretion

What is the role of the esophagus in the digestive system?

• Regulating blood sugar levels
• Producing digestive enzymes
• Transporting food from the mouth to the stomach
• Absorbing nutrients from food

Which organ stores partially digested food and mixes it with digestive juices?

• Liver
• Lungs
• Brain
• Stomach

What tiny structures help the small intestine absorb nutrients?

• Bile duct

• Teeth

• Villi
• Blood vessels

What is the primary function of the small intestine in the digestive system?

• Production of bile
• Storage of waste
• Regulation of blood sugar levels
• Absorption of nutrients

In what part of the small intestine are nutrients absorbed into the bloodstream?

• duodenum
• cecum

• stomach
• ileum

What is the main function of the large intestine in the digestive system?

• Transporting nutrients to the body
• Breaking down food into nutrients
• Absorbing water and storing waste

• Producing digestive enzymes

Which organ produces bile to help break down fats?

• Liver
• Stomach
• Pancreas
• Kidney

What is the term for the process of breaking down large molecules into smaller ones using enzymes?

• chemical digestion

• mechanical digestion

• absorption

• none of these