2.3 Notes- energy and waste Digeston system Flashcards
When the food in your mouth.
Ingestion
This is also where mechanical and chemicals begin
Ingestion / mouth
Teeth and togue break down and chew and grind your food in your mouth.
Mechanical Digestion
Makes solivia that breaks down food
Sovlivia glance
Examples of Nutrients
Proteins, fats, carbohydrates, vitamins, and minerals
The mechanicals and chemicals breakdown of foods into small parcitclesand molecules that your body can absorb and use
Digestions
The four steps of digestion
Ingestions, digestion, absorption and elimination
The amount of energy in food is measured in calories
Calorie
Releases the energy from the processed food
Your digestive system
Break down pieces of food into small molecules
Chemical digestion
When you put food, such as bread, into your mouth
Ingestion
An enzyme, in your mouth that helps break down carbohydrate
Saliva
An adult stomach can hold about_____________ of food and liquid.
2 liters
A large, hollow organ that stores food.
stomach
A muscular tube that connetcs to the mouth to the stomach
Esophagus
Food moves through the Esophagus and the rest of the digestive tract by wave of muscle contraction.
Peristalais
Enables the stomach to expand and hold large amounts of food.
The folds of the inner wall
The cells in these folds produce chemicals that help break down ________________
Proteins
This stomach fluid makes stomach acidic
Gastic juice
An enyme that helps break down the proteins in foods into animo acids
pepsin
A long tube that is connected to the stomach. That is about 7 meters
small intestin
Fingerlike projections that cover the folds of the small intestines
Villi
Nutrients enters the blood vessles in this digestive organ
small intestin
Also known as, the colon
Large intestin
