Digestive System Flashcards
What are the parts of the digestive system
Intestines
Gut
Stomach
Trachea
Cloaca
Rectum
Oral cavities
Oesophagus
Anus
Liver
Pancreas
Mouth
Teeth
What is the digestive system
Organs designed to extract nutrients from food
Provide energy
Excrete indigestible remains
What are the five stages of the digestive process
Excretion
Digestion
Metabolism
Ingestion
Absorption
What is excretion
The removal of remaining indigestible material
What is digestion
breaking food into smaller chemical units
What is metabolism
Chemical units are converted into energy
What is indigestion
The taking of food into the body
What is absorption
Chemical unit pass into the blood
What are heterotroph feeders
Eat plants or animal tissues
Find energy themselves
What is chemical digestion and where does it occur
Large enzymes are broken down by enzymes and bile
Small intestine
What is mechanical digestion and where does it occur
Large pieces of food are in digested
Mouth via chewing
What is vitamins used for
Promoting specific chemical reactions in body
What is minerals used for
Muscle contraction
What is fibres used for
Absorption of nutrients
Faeces soft and bulky
What is proteins used for
Repairing body tissues
Maintenance of cells and tissues
What are carbohydrates used for
Provide energy in form of calories body needs to work and support other functions
What is lipids used for
Store, supply and source of energy
Supply and cushion organs
What is water used for
Body to make cells and fluids
Removes waste
What are autotrophs
Produce food through photosynthesis from carbon dioxide and water
What is digestion
Depends on animals diet
Adapted to help mammals get nutrients from food
What is mono gastric
Single- can’t digest plant based
Dogs
What is Hindgut fermenters
Caecum via microbial fermenters
Rabbits
What is ruminants
Adapted to digest and convert cellulose into energy
Cows
