Digestive System Review

Front

Mashing with teeth and stomach churning are examples of

Back

mechanical digestion

Front

Choking occurs when the ________ directs food down the windpipe instead of the _______.

Back

epiglottis; esophagus

Front

True or False: Both mechanical and chemical digestion take place in the stomach.

Back

True

Front

In the picture, the large organ found in red (which was clearly evident in the rat dissection too) is the

• stomach
• gallbladder
• liver
• large intestine

Back

liver

Front

In the picture, the small green structure, which was absent in the rat but responsible for storing bile in humans, is the

Back

gallbladder

Front

The small intestine is lined with villi which are responsible for:
- absorption
- chemical breakdown
- peristalsis
- propulsion

Back

absorption

Front

Where is most of the excess water in food absorbed before undigested byproduct is packaged as waste? Options: stomach, liver, large intestine, pancreas

Back

large intestine

Front

If the pancreas were to stop functioning, what could be the result?

Back

significant decrease in production of digestive enzymes

Front

This image shows the digestive process ____, which helps to move food through the GI tract via smooth muscle contraction. Options: ingestion, segmentation, peristalsis, absorption

Back

peristalsis

Front

The only digestive process which is both active and voluntary is

Back

ingestion