Digestive System Flashcards
(29 cards)
What are the two types of digestion
Chemical ad physical dgestion
What is the first step of digestion
Your teeth and mouth
How many teeth does the average adult have
32
Name your four types of teeth starting from the back
Molar premolar canine incisor
How is your food physically broken down in your mouth
It is grinded by your teeth
How is your food chemically broken down in your mouth
By two enzymes in your saliva
What enzymes are in your saliva
Amylase:break down starch and turns it to maltose
Maltese breaks down the maltose and turns it into glucose which can be absorbed into your blood
What connects your mouth to your stomach
Eosophagus
What is the epiglottis
The flap of skin that separate your trachea from your eosophagus
How does the food travel down the eosophagus
Contractions called peristalsis
What is the second step of the digestive system?
You’re oesophagus
What is the third step of your digestive system?
Stomach
What is a stomach?
A muscular bag that stores and digests food
What physical digestion takes place in the stomach?
It turns food into a liquid
What chemical digestion takes place in the stomach?
enzymes and hyaluronic acid help breakdown food
What’s the fourth step of your digestive system?
Small intestine
How long is the small intestine?
 six meters
Tell me a bit about this small intestine
It’s where 90% of digestion happens and it is where nutrients are absorbed to the blood
What connects to small intestine to the stomach?
Duodenum
Tell me about the duodenum
it produces digestive enzymes and receives digestive juices from the liver and pancreas
What are villi
Small folds within the small intestine that help absorb substances they are 1 cell thick
What 2 organs help the digestive system
The pancreas and the liver
What does the liver do
Produces bile which is stored in the gall bladder and then travelled to the small intestine to break down fats