proteins are broken down into
fats are broken down by
fats are broken down into?
digested food is absorbed where?
water is absorbed where in the digestive system?
digestion of starch takes place in which organ?
digestion of proteins takes place in which organs?
Fats are digested in which organ?
what type of substance is bile?
bile is made in which organ?
The role of bile in digestion is?
to neutralise stomach acid
emulsify the fats into droplets
Why is it important that the bile is added as the food leaves the stomach?
to prevent the acid contents denaturing enzymes in the small intestine
What organs in the digestive system does the food NOT pass through?
Where does digestion begin?
How are the small intestines adapted for absorption?
Folds called villi increase surface area
villi are thin
villi have an extensive blood supply
Where is all the undigested food stored?
Where does the undigested food leave the body from?
What is the glucose absorbed in digestion used for?
delivered to our cells and used in respiration
What are the amino acids absorbed in digestion used for?
to make new proteins
Where are new proteins made in a cell?
at the ribosomes
organ systems work together to form
Where is bile stored?
How are proteins different to amino acids?
proteins are large and insoluble
amino acids are small and soluble
How is starch different to glucose?
starch is large and insoluble
glucose is small and soluble
proteases, lipases and amylases are all what type of molecule?
what are enzymes made from?
What is an enzyme?
Protein molecule that acts as a biological catalayst
What does an enzyme do in the body?
control and speed up the rate of chemical reactions e.g. respiration
Enzymes are affected by
True or false enzymes are living