Which organ system includes the esophagus, pancreas, and large intestine?

• digestive
• excretory
• integumentary
• lymphatic

When you eat a cheeseburger, your digestive _______ digests the cheeseburger.

• glands
• organ
• system
• tissue

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NGSS.MS-LS1-7

During the production of yogurt, specific _______ are used to ferment the milk.  In turn the same  ______ are beneficial to our digestive system when we eat the yogurt.

• algae
• bacteria
• fungi
• protozoan

The bacteria species E-coli is actually beneficial to humans.  It plays an important role in which body function?

• digestion
• excretion
• metabolism
• reproduction

Bacteria are very small single-celled organisms that lack a nucleus.  Although bacterial cells are less complex than the cells that make up the human body, bacteria are very important to human health.  Which statement best summarizes how bacteria affect human health.

• Bacteria cause disease in humans.
• Bacteria are beneficial to humans.
• Bacteria rarely affect human cells because they are so much smaller.
• Some bacteria are beneficial to humans and some are harmful.

Humans cannot digest food without the aid of small single-celled organisms that live in our digestive tract. Which common name is associated with these single-celled organisms that help humans digest food?

• algae
• bacteria
• protozoa
• virus

Which organ is part of the digestive system?

• blood
• brain
• pancreas
• spleen

Mouth to stomach to intestines.  What system helps the digestive system move food until it becomes waste?

• circulatory
• immune
• muscular
• skeletal

What is the organ where water is absorbed from the digested food and returned to the bloodstream?

• mouth
• small intestine 
• esophagus
• large intestine

Which organ is a secondary organ that stores bile?

• stomach
• gallbladder
• pancreas
• liver