Practice for Digestive System

Name this structure

• duodenum
• jejunum
• ilium
• cecum

Why do we need food to break apart the food we eat?

• So it can fit into our stomachs

• So our bodies can use the nutrients from the food

• So liquids can be separated from solids

• So that our bodies' enzymes have something to do.

Tags

NGSS.MS-LS1-7

Chewing is an example of what type of digestion?

• Dental

• Fragmentary

• Chemical

• Mechanical

Place the following events in sequence: A) Food enters your large intestines

B) Food enters your small intestines

C) Food enters your esophagus

• A, B, C

• C, B, A

• C, A, B

• B, A, C

Hydrochloric acid is a caustic chemical that can burn your skin- and yet it exists in your stomach. How can this be?

• Your small intestines absorb all the hydrochloric acid

• The food in your stomach absorbs all the acid

• Your stomach lining protects you against burns

• The hydrochloric acid in your stomach is different from the hydrochloric acid you would find in a chemistry lab

What is the main function of villi?

• They move food from the stomach to the small intestine

• They absorb nutrients into the bloodstream

• They absorb water from chyme

• They move food from the small intestine to the large intestine

What is this organ?

• Liver

• Kidney

• Pancreas

• Stomach

What is this organ (the one in red)?

• Pancreas

• Kidney

• Liver

• Stomach

What is the process of wave-like muscle contractions that moves food through the digestive tract?

• Pericardium

• Peristalsis

• Pepsin

• Pericoronitis

Where does absorption primarily take place?

• Stomach

• Small intestine

• Large intestine

• Gall bladder