BIOLOGY--- DIGESTIVE SYSTEM TEST---DECEMBER 10, 2024

Front

What structure prevents food from entering the trachea?

Back

Epiglottis: A flap of tissue that covers the trachea during swallowing to prevent food from entering the airway.

Front

Where does most absorption of nutrients take place in the digestive system?

Back

Small intestine: The primary site for nutrient absorption, where digested food is absorbed into the bloodstream.

Front

What macronutrient is broken down by the enzyme amylase?

Back

Carbohydrates: Amylase is an enzyme that catalyzes the breakdown of carbohydrates into simpler sugars.

Front

Which organ churns food and uses acid and enzymes to break it down?

Back

Stomach: A muscular organ that mixes food with gastric juices to facilitate digestion.

Front

Where is bile produced in the body?

Back

Liver: The organ responsible for producing bile, which helps in the digestion of fats.

Front

What is the function of the pancreas in digestion?

Back

The pancreas produces digestive enzymes and bicarbonate, which help in breaking down food in the small intestine.

Front

What role does the small intestine play in digestion?

Back

The small intestine is responsible for the majority of nutrient absorption and further digestion of food.

Front

What is the function of the large intestine?

Back

The large intestine absorbs water and electrolytes from indigestible food matter and compacts waste for elimination.

Front

What is the role of saliva in digestion?

Back

Saliva contains enzymes like amylase that begin the breakdown of carbohydrates and helps in lubricating food for easier swallowing.

Front

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

Back

The esophagus is a muscular tube that transports food from the mouth to the stomach.