Digestion_Revision

Define the term ingestion

• The movement of nutrients from the digestive system into the blood

• The removal of undigested food from the body

• The breaking down of large insoluble molecules into small soluble molecules

• The taking in of nutrients.

Define the term digestion

• The movement of nutrients from the digestive system into the blood

• The removal of undigested food from the body

• The breaking down of large insoluble molecules into small soluble molecules

• The taking in of nutrients.

What gland produces amylase?

• Liver

• Gall bladder

• Salivary gland

• stomach

Define the term mechanical digestion

• The breaking down of large food molecules by the use of enzymes.

• The physical break down of food done by the teeth or the muscles in the stomach.

Which term describes the movement of food down the oesophagus by a wave of muscular contraction

• Diffusion

• Peristalsis

• Chyme

• Bolus

What word is used to describe food which has been mixed with saliva.

• Chyme

• Bolus

• Churning

• Mucus

What part of the small intestine are nutrients absorbed into the blood?

• Ilium

• Duodenum

• Gall Bladder

• Liver

What does the liver produce for the digestive system?

• Enzymes

• Bile

• Bolus

• Chyme

What is the role of bile in digestion?

• Emulsifies fat

• Kills bacteria

• Neutralises stomach acid

• Turns food into a bolus

What is the job of the pancreas in digestion?

• Produces acid

• Produces bile

• Produces digestive enzymes

• Produces chyme