Digestion

Where does energy in food all come from?

• other organisms

• plants

• the sun

• the soil

What is the purpose of digestion?

• to break food down into soluble molecules for absorption into body cells

• to convert food into larger molecules to store in our body

• to provide energy for our body cells

• to make new enzymes in our body

What is the name of the process where food is taken in the mouth?

• egestion

• ingestion

• secretion

• absorption

What is the name of the whole passage along which food passes through the body from mouth to anus during digestion?

• digestive tube

• digestive system

• alimentary organs

• alimentary canal

How does food move down the alimentary canal?

• respiration

• peristalsis

• gravity

• pushed down by water

What is the name of the enzyme found in saliva?

• pepsin

• protease

• amylase

• maltose

What is the main function of the oesophagus?

• secrete enzymes to digest food

• move food down to the stomach

• crush food into smaller pieces

• absorb food

Which enzyme is involved in digesting food in the stomach?

• pepsin

• maltose

• amylase

• lipase

Which shows small, soluble food substances that can be absorbed?

• maltose, polypeptides, glycerol

• maltose, amino acids, fatty acids

• glucose, protein, fatty acids

• glucose, amino acids, glycerol

Which are accessory organs associated with the alimentary canal?

• colon

• liver

• pancreas

• gall bladder