Lo3 Flashcards
(52 cards)
What is digestion
Food molecules are too large to be absorbed by the body
So they are broken down into smaller molecules in order to absorb nutrients
What is the buccal cavity
It is the mouth
Where mechanical digestion begins
What does the salivary glands produce
Saliva to help moisture the food
What is the epiglottis
Thin flap in the throat that prevents food and water from entering the trachea and lungs
What is the oesophagus
Muscular tube which food is squeezed down
What is the stomach
A muscular each that churns out good around and starts chemical digestion
What does the liver do
Processes nutrients absorbed from the small intestines
What does the liver make
Bile
What is the function of gall bladder and bile duct
It stores most of the bile produced by the liver
What does the pancreas do
Makes enzymes used in the small intestines
Neutralise the chyme
What is the jejunum
Second part of the small intestines
Chemical digestion ends here
What is the ilium
Third part of the small intestines
Function of the ilium
Absorbs nutrients from the chyme
What is the caecum
The first part of the large intestine
What is the rectum
The last part of the large intestines
What is the small intestines
Muscular tune that digests carbohydrate
What is the large intestines
Where water is reabsorbed from waste
The steps of digestion
Mouth
Oesophagus
Stomach
Small intestine
Large intestine
Rectum
Anus
What is mechanical digestion
Food is broken up into smaller pieces by the acts of chewing churning and segmentation
What is chemical digestion
Food is broken down by chemical agents
What does master action mean
Chewing
What does saliva contain
Amylase
What does the oesophagus carry
Bolus of food
What does the bile duct do
Secrete bike in small intestines
