Bio9 - Digestive System

Which of the following are involved in mechanical digestion (pick all that apply)

• Chewing in the mouth

• Churning & squeezing in the stomach

• Enzymes from the pancreas

• Absorption by the villi

What is the name of molecules that are involved in chemical digestion

• Bile

• Enzymes

• Peristalsis

• Digestors

In carbohydrate digestion, starches are broken down into ________ molecules.

Where in the digestive system does carbohydrate digestion occur? (choose all that apply)

• Mouth

• Stomach

• Small Intestine

• Large Intestine

Where in the digestive system does protein digestion occur? (choose all that apply)

• Mouth

• Stomach

• Small Intestine

• Large Intestine

When digested, proteins are broken down into ___ ____.

Which of the following is INCORRECT about bile

• Bile is made by the liver

• Bile is stored and secreted by the gallbladder

• Bile breaks down fats into small droplets

• Bile contains enzymes that digest fats

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

• To secrete hormones into the bloodstream

• To secrete digestive enzymes into the small intestine

• To absorb nutrients from digested food

• To secrete bile into the small intestine

Where do lipids get digested?

• Mouth

• Stomach

• Small Intestine

• Large Intestine

Which structure, located in the small intestine, is responsible for the absorption of nutrients?

• Liver

• Gallbladder

• Pancreas

• Villus