2.3-energy & waste Flashcards
when you put food inside your mouth.
INGESTION
The amount of energy in food is measured in cal
cal
The amount of energy it takes to raise the temp of 1 kg of water by 1 c.
cal
releases the energy form the processed food
digestive system
the part of food used by the body to grow and survive
nutrients
Five example of nutrients.
Protein fat carbs vitamins and minerals
The mechanical and chemical breakdown of foods into small particles and molecules that your body can absorb and use
digestion
The four steps of digestion
Ingestion digestion absorption and elimination
When you chew mash and grind food with your teeth and tongue
Mechanic digestion
Breakdown food into small molecules
Chemical digestion
When you put food such as bread into your mouth
Ingestion
And Enzyme in your mouth that helps break down cards
Saliva
A muscular tube that connects to the mouth to the stomach
Esophagus
Food moves through the ESOPHAGUS and the rest of your digestion track by waves of muscular contraction
P e r i s t a l s i s
A large hollow oregon that stores food
Stomach
