Liver & GI tract Flashcards
(44 cards)
GI tract
Gastrointestinal tract (tube that joins organs from mouth to anus)
Organs in the GI tract
Mouth Esophagus Stomach Small intestine Large intestine Anus
Esophagus definition and function
Pushes food to stomach by peristalsis
Muscular tube connecting the throat to the stomach
Term for throat
Pharynx
Small intestine function
Mixes food with bike and pancreatic juice
Enzymatic breakdown of food
Nutrients absorption
Large intestine function
Absorbs wager and electrolytes to form faeces
Peristalsis
The movement of pushing food into stomach (through esophagus)
What do salivary glands do
Secreted amylase enzyme that breaks down carbohydrates
What organ produces bile?
The liver
Purpose of bile?
To emulsify fat
Alimentary canal
Muscular tube parring through body’s central cavity
Microvilli function
Increase S/A for absorption
Pancreatic amylase
Breaks down carbohydrates to disaccharides
Pancreatic lipase
Breaks triglycerides to glycerol and fatty acids
Nucleases
Break down nucleic acids to nucleotides
Trypsin
Chynotrypsin
Break down proteins to dipeptides
Gallbladder
Organ under the liver that stores bile and delivers it to small intestine
Bile
Fluids, fat and cholesterol to help break down fat from food in the intestine
Bile ducts purpose
Release bile from gallbladder into liver
Artery into liver
Vein away from liver
Hepatic artery
Hepatic vein
7 functions of the liver
Carbohydrate metabolism Lipid metabolism Protein metabolism Storage Blood filtering Detoxification Secretion
Bilirubin
Pigment formed in the liver by break down of haemaglobin and secreted bile
Where is bilirubin in the liver secreted to?
The kidney to be excreted in urine
Duodenum
First part of the small intestine behind the stomach