U3.L7 The Digestive System & GI Conditions

Multiple Choice

What is the relationship between the height of the villi and the percentage of food absorbed into the bloodstream?

• Height of villi increases, absorption decreases

• Height of villi decreases, absorption increases

• Height of villi has no effect on absorption

• Height of villi increases, absorption increases

Multiple Choice

Which biomolecule is found in the foods pictured here?

• Nucleic Acid

• Carbohydrate

• Protein

• Glucose

Labelling

Label the groups of foods.

Drag labels to their correct position on the image

lipids (fats & oils)

carbohydrates

protein

Multiple Choice

What are the small molecules that your body breaks food into for absorption?

• Amino acids

• Glucose

• Fatty acids

• All of the above

Multiple Choice

What is the role of amylase in chemical digestion?

• Amylase breaks down proteins.

• Amylase breaks down glucose.

• Amylase breaks down lipids.

• Amylase breaks down starch.

Multiple Choice

Which of the following is a molecule that is absorbed through the wall of the small intestine?

• Glucose

• Protein

• Fiber

• Fat

Fill in the Blank

Food is mechanically broken apart by your teeth. Amylase, an enzyme in your spit, breaks down starch into _______.

Fill in the Blank

Food is pushed down the _________ to the stomach.

Fill in the Blank

Fill in the blank: Food is mixed with hydrochloric acids and enzymes. The enzymes begin breaking down large molecules into smaller molecules: proteins → ___ acids, fats → fatty acids, starch → glucose.

Dropdown

Large molecules continue to be broken down. Small molecules begin to move through the walls of the ​

Select answer

intestine into the ​

Select answer

. 

Fill in the Blank

The small intestine is covered in _____ which move small food molecules from the inside of the small intestine into the blood.

Fill in the Blank

All of the small food molecules have disappeared by this point. Most of the _____ gets absorbed back into the body. Undigested matter collects here and is removed as poo.

Multiple Choice

What is one of the main components of solid waste (poo) as shown in the pie chart?

• Glucose

• Fiber

• Protein

• All of the above

Open Ended

What additional evidence would help you confirm which condition M’Kenna most likely has?