2.3-energy waste Flashcards
Your body’s way of telling you that it needs food.
Hunger
The amount of energy in food is measured by.
Calories
The amount of energy it takes to raise the temperature of 1 KG of water by 1c.
Calories
releases the energy from 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 chemical breakdown of food into small particles 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 tongue
mechanical digestion
when you break down food into small molecules.
Chemical digestion
when you put food,such as bread,into your mouth
Ingeston
an enzyme, in your mouth, that helps break down carbohydrates
saliva
A muscular tube that connects the mouth to the stomach
esophagus
Food moves through the esophagus and the rest of the digestive tract by waves of muscles contractions.
peristalsis
a large,hollow organ that stores food
stomach