Term | Definition |
Ingestion | Taking food into the mouth |
Digestion | Break down of food into smaller pieces |
absorbtion | food molecules moving into the blood |
Assimilation | food used by the body to make new cells |
egestion | undigested food passed of body as faeces |
amylase | enzyme that breaks down starch |
canine | teeth used for ripping and tearing food |
incisor | teeth used to cut food |
molar | teeth used to grind food |
saliva is made here | salivary glands |
physical digestion | muscles in stomach, the teeth and the tongue breaking food into smaller pieces |
chemical digedtion | breaking down for food by enzymes and digestive juices. |
The reason we need food to be digested | make it small enough to be absorbed into the blood. |
We need food(glucose) and oxygen | for respiration to happen in our cells |
In the small intestine | food is broken down by enzymes and absorbed into the blood |
In the stomach | food is broken down churning (physical) and by hydrochloric acid (chemical) |
the liver | brakes down toxic substances, makes bile, heats the blood to 37 degrees Celsius. |
pancreas | makes enzymes like amylase and lipase to be used in the small intestine |
the large intestine | takes water back into the blood |
Good bacteria in large intestion | improve our immune system and make B and K vitamins for us. |
Relationship between humans and good bacteria in large intestine is called | A symbiotic relationship |