Digestive system

What type of digestion takes place in the stomach?

• mechanical

• chemical

• both mechanical and chemical

Where does the process of digestion begin?

• mouth

• esophagus

• stomach

• small intestine

Where does the absorption of nutrients from food take place?

• stomach

• liver

• small intestine

• large intestine

What part of the digestive system mechanically and chemically breaks down food?

• mouth

• stomach

• both the mouth and stomach

What chemically breaks down food into smaller molecules?

• teeth

• muscles of the stomach

• enzymes

The process by which the body breaks down food so that it can be used for energy.

• composition
• digestion
• deposition
• absorption

The opening at the end of the digestive track where feces exits the body.

• large intestine
• small intestine
• rectum
• anus

A fluid in the mouth that helps digest food.

• pepsin
• pepsi
• saliva
• salty

Any food that is acted upon by an enzyme is called a(n)?

• Coenzyme

• Substrate

• Vitamin

• Polypeptide

After the enzyme and substrate bind together and perform the reaction, what does the substrate become?

• a substrate
• an enzyme
• a product
• an active site