Energy & Waste Flashcards
The amount of energy in food is measured in calories.
Calorie
The amount of energy it takes to raise the temperature of 1 kg of water by 1 c.
Calorie
Releases the energy form the processed food.
Your digestive system
The parts of food used by the body to grow and survive.
Nutrients
5 examples of nutrients
Proteins, fats, carbohydrates, vitamins, and minerals
The mechanical and cemical breakedown of food into small particals and molecules that your body can absorb and use.
Digestion
The 4 steps of digestion
Ingestion, digestion, absorption, and elimination
When you chew, mash, and grind food with your teeth and tounge.
Mechanical Digestion
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 carbohydrates.
Saliva
A mucular tube that connects the mouth to the stomech.
Esophagus
Food moves through the esopagus and the rest of the digestive tract by waves of muscle contractions.
Peristalsis
A large, hollow organ that stores food.
Stomach
An adult stomach can hold about of food and liquid
2 Leters