2.3 Energy & waste Flashcards
When you put food in your mouth.
INGESTION
Where does mechanical and chemical digestion begin
Yo big fat mouth.
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 1C
Calorie
Releases the energy from the processed food.
Your digestive system.
Parts of the body to grow and survive.
Nutrients
Examples of nutrients
Protieins, fat, vitamins
The chemical breakdown of food into small particles.
Digestion
The 4 steps of digestion.
ingestion digestion
when you chew mash and grind with your teeth.
mechamical digestion.
Break down peaces of food with your teeth.
Chemical digestion
when you put food such as bread in your mouth.
ingestion
an enzyme in your mouth.
saliva
muscle tube that connects the mouth.
esophagus
food moves around the esophagus.
peristalsis
a large hollow organ that stores food.
stomach
an adult stomach can hols 2 liters of food.
2 liters
expand and hold the stomach together large amounts of food
folds
produce cells holds chemicals
proteins
stomach fluid makes stomach acid
gastric juice
helps break down in foods into amino acids
pepsin
connected to the stomach
small intestine
also known as the colon
large intestine
removes liquid waste from body.
urinary system
bean shaped organs that fliter or remove waste from blood.
kidneys
the kidneys deliver liquid waste to this organ.
bladder
the body from this tube that is connected.
urethra
waste that is ready to leave the digestive system.
feces
final opening or exit door of the digestive system.
anus
large intestine about 8 inches long.
rectum
where water is absorbed leaving be hind waste.
large intestine
it has a larger diameter than the small intestine.
large intestine
fingerlike projections that cover the folds of the small intestine.
Villi
