Unit 3A: POWER HBS

Where does digestion begin?

• Mouth

• Small intestine

• Stomach

• Liver

Which organ is labelled "1"?

• Oesophagus

• Stomach

• Liver

• Trachea

Which organ is labelled "5"?

• Stomach

• Liver

• Pancreas

• Large intestine

The chewing and grinding of food into smaller pieces using your teeth is called...

• Chemical Digestion

• Minor Digestion

• Major Digestion

• Mechanical Digestion

What is the function of the small intestine?

• To absorb water into the blood

• To absorb nutrients into the blood

• To absorb stomach acid into the blood

• To absorb enzymes into the blood

What is the function of the large intestine?

• To absorb water

• To absorb nutrients

• To absorb stomach acid

• To absorb enzymes

Select 3 biological molecules...

• Carbohydrates

• Lipids

• Proteins

• Enzymes

We know that a biochemical is an enzyme because its name ends in the suffix...

• -ale

• -ape

• -awe

• -ase

Select the type of enzyme that breaks down lipids into fatty acids and glycerol.

• amylase

• pepsin

• lipase

• protease

Amylase breaks down starch into...

• Amino acids

• Fatty acids and glycerol

• Glucose

• Carbohydrates