Digestive System and Nutrition

Match the following enzymes with their function.

• lipase

• breaks down starch to simple sugars

• amylase

• breaks down lipids to fatty acids and glycerol

• protease (e.g. pepsin in the stomach)

• breaks down protein to amino acids

Where does egestion occur?

Match the nutrient with the correct test.

• Add Biuret solution

• starch

• Add Benedicts solution + heat

• lipids

• Add iodine solution

• protein

• Dissolve in ethanol, then add water

• simple sugar

Identify this organ, which is crucial for digestion and insulin production. Fact: It's not a vegetable.

• spleen

• gall bladder

• pancreas

• jejunum

Tags

NGSS.MS-LS1-3

What is the muscular tube that, much like a Schrute beet delivery system, transports food from the pharynx to the stomach?

• Uvula

• Esophagus

• Palate

• Salivary glands

Fact: The major site for nutrient absorption is the __________. False: It's the large intestine.

• large intestine

• small intestine

• mouth

• stomach

Fact: The liver is the factory of bile, and the gallbladder is its warehouse. Where is bile produced and stored?

• Liver ; Gallbladder

• Gallbladder; liver

• Bladder; Liver

• Liver; intestines

Fact: The acid in your stomach is so strong it can dissolve metal. How does your stomach avoid self-destruction?

• our stomachs are coated with a layer of mucus that protects its from the acid

• our stomachs are made of a special tissue that is resistant to acid

• our stomachs regenerate faster than the acids ability to break down tissue

• because it the stomach is basic

When you break down food using enzymes or acid, you are engaging in __________ digestion. What kind of digestion is that?

• Chemical

• Mental

• Emotional

• Mechanical

Fact: What parts of the digestive system are shown in this picture? Identify them, if you dare.

• Liver

• Stomach

• Gallbladder

• Pancreas

• Duodenum