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level: Alimentary Canal

Questions and Answers List

Study the Alimentary Canal of Humans

level questions: Alimentary Canal

QuestionAnswer
Taking substances into the body through the mouthIngestion
Passing out of food that has not been digested, as faeces, through the anusEgestion
The break-down of large, insoluble food molecules into small, water soluble molecules using mechanical and chemical processesDigestion
Contains teeth used for mechanical digestion, area where food is mixed with salivary amylase and where ingestion takes placeMouth
Produce which contains amylase and helps food slide down the oesophagusSalivary Glands
Tube-shaped organ which uses peristalsis to transport from mouth to stomachOesophagus
Has sphincters to control movement into and also has pepsin (a protease) to break down proteins into peptides, it also kills bacteria with hydrochloric acid.Stomach
Tube shaped organ composed of two parts: Duodenum and IleumSmall Intestine
Fats are emulsified by bile and digested by pancreatic lipase to form fatty acids and glycerol. Pancreactic amylase and trypsin (a protease) break down starch annd peptides into maltose and amino acids.Duodenum
Where maltase breaks down maltose to glucose, where absorption takes place; adapted by having villi and microvilliIleum
Produces pancreactic juice which contains amylase, trypsin and lipase and hydrogencarbonatePancreas
Produces bile and stores glucose as glycogen, interconverting them to keep glucose concentration constant. Carries out interconversion of amino acids, (transamination), deamination and removal of old red blood cells and storage of their iron. This site also breaks down alchohol and other toxins.Liver
Stores bile from liverGall bladder
Produced by liver and stored in gall bladder, its role is to emulsify fats, to increase surface area for the action of enzymesBile
Tube shaped organ that is composed of two parts The colon and the rectumLarge intestine
An organ that absorbs minerals and vitamens and reabsorbs water from waste to maintain the body's water levelsColon
Where faeces are temporarily storedRectum
A ring of muscle which controls when faeces is releasedAnus