Digestive System Recap

Which of the following is an example of a protein?

• fatty acid

• enzyme

• sodium

• glucose

Which macromolecule is the primary source of energy for the body?

• Proteins

• Carbohydrates

• Lipids

• Nucleic acids

What is the main function of lipids in the body?

• Provide quick energy

• Store long-term energy

• Build muscle tissue

• Transport oxygen

Which organ is responsible for absorbing most of the nutrients from food?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the correct sequence of food traveling through the digestive system?

• Mouth → Stomach → Esophagus → Small intestine → Large intestine

• Mouth → Esophagus → Stomach → Small intestine → Large intestine

• Mouth → Esophagus → Small intestine → Stomach → Large intestine

• Mouth → Stomach → Esophagus → Large intestine → Small intestine

Which organ produces bile to help break down fats?

• Pancreas

• Gallbladder

• Liver

• Stomach

Which process involves the breakdown of food into smaller molecules?

• Ingestion

• Digestion

• Absorption

• Elimination

Where does the majority of nutrient absorption occur?

• Stomach

• Small intestine

• Large intestine

• Esophagus

What is the process of removing undigested waste from the body called?

• Ingestion

• Assimilation

• Elimination

• Absorption

Chewing food in the mouth is an example of:

• Chemical digestion

• Mechanical digestion

• Absorption

• Assimilation