Digestive System Quiz

What does chemical digestion change food particles into?

• Larger molecules

• Simpler chemicals

• Complex carbohydrates

• Proteins

Tags

NGSS.MS-LS1-7

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

• Ingestion

• Propulsion

• Respiration

• Absorption

Which layer of the alimentary canal wall contains circular and longitudinal layers?

• Mucosa

• Submucosa

• Muscularis

• Serosa

Which layer is described as a connective tissue layer?

• Mucosa

• Submucosa

• Muscularis

• Serosa

What is the main characteristic of propelling movements?

• Moves materials in one direction

• Mixes food with enzymes

• Absorbs nutrients

• Filters blood

Which movement is described as a ring of contraction that progresses down the tube?

• Peristalsis

• Segmentation

• Churning

• Absorption

Tags

NGSS.MS-LS1-7

What is the oral vestibule?

• The space between the lips and teeth

• The area behind the uvula

• The roof of the mouth

• The back of the throat

What is the esophagus primarily responsible for?

• Digestion

• Transporting food to the stomach

• Absorbing nutrients

• Producing enzymes

What forces food into the esophagus during the second stage?

• Gravity

• Peristaltic waves

• Muscle contraction

• Air pressure

Tags

NGSS.MS-PS2-2

What is the function of the circular layer of smooth muscle in the stomach?

• Absorb nutrients

• Mix food with enzymes

• Contract to move food

• Produce gastric acid