digest quest Flashcards
Alcohol and absorption
You absorb 20 per cent of alcohol into your bloodstream through your stomach and the rest into your bloodstream through your small intestine.
Rennin curdles milk protein
rennin, protein-digesting enzyme that curdles milk by transforming caseinogen into insoluble casein;
What is food called that has been churned down to a liquid state in the stomach
The stomach muscles churn and mix the food with digestive juices that have acids and enzymes
By the time food is ready to leave the stomach, it has been turned into a thick liquid called chyme (kime).
Pepsin is responsible for commencing the digestion of what food group?
pepsin is the principal enzyme involved in protein digestion. It breaks down proteins into smaller peptides and amino acids that can be easily absorbed in the small intestine
What substance does the liver remove?
The liver removes excess glucose (sugar) from the bloodstream and stores it as glycogen. As needed, it can convert glycogen back into glucose.
What part of the large intestine does the ileum empty its contents into?
What is the last part of the colon called? (7)
What alkaline liquid is stored in the gall bladder?
What sphincter is responsible for controlling the entry of food into the stomach?
What digestive organ receives the bolus from the pharynx? (
The jejunum belongs to what part of the digestive system?
A chemical catalyst
A disorder of the digestive system in which liver cells are badly damaged or destroyed
The first part of the small intestine
Inflammation of the colon
Where does the digestion of carbohydrates begin?
three parts small intestine
A layer of the stomach that supports the alimentary canal (
What stores the bile until it is needed? (
What cells are found inside the liver? (
What is the end product of carbohydrate digestion
What part of the digestive system is responsible for getting rid of waste?
What term is used to describe wave like contractions and relaxations of muscles that occur throughout the digestive tract? (
An enzyme contained within pancreatic juice
What enzyme divides maltose into glucose
What organ stores excess glucose?
What pushes the bolus down into the oesophagus?
What enzyme coagulates milk in infants?
What is produced by the liver?
What digestive enzyme starts the breakdown of proteins
What digestive enzyme Split polypeptides into amino acids
What digestive enzyme Kills bacteria present in food
What digestive enzyme Split sucrose into glucose and fructose
What digestive enzyme End product of carbohydrate digestion
What digestive enzyme Starts the digestion of carbohydrates
What digestive enzyme End products of fat digestion
What digestive enzyme Splits peptones into polypeptides
What digestive enzyme Split maltose into glucose
What digestive enzyme Split lipids into fatty acids & glycerol
- What enzyme starts the digestion of proteins in the stomach?
a) Pepsin
b) Trypsin
c) Maltase
d) Hydrochloric acid
What is the first organ of digestion?
- What controls the entry of food into the stomach?
- What is the first organ of digestion?
What is the function of lipase?
- Where is the pancreas located?
- Which one of the following is not part of the large intestine?
a) Caecum
b) Ileum
c) Appendix
d) Colon
- Which one of the following substances is stored in the liver?
- What is the function of the gall bladder?
a) To store bile
b) To produce heat
c) To produce enzymes for digestion
d) To metabolise protein
