Body Systems Flashcards
Enzymes
A biological catalyst that speeds up the chemical reaction in cells
Substrate
The substance an enzyme acts on
Product
The enzyme acts substrate and charges it into a product
Ingestion
The food is taken into the mouth
Digestion
The food is broken down into simpler, absorbable molecules
Absorption
The molecules are passed into the blood and carried to all the cells in the body
Assimilation
The food is used by the body for energy and to build new cells
Egestion
Undigested food material is released from the digestive system as faeces
Mouth
The mouth is for breathing and getting food and water into are body
Salivary glands
Salivary glands are used to produce saliva
esophagus
Is a muscle tube connected to the throat
Liver
Liver produces protein that are important in blood clotting
Stomach
The stomach secrets acid and enzymes that digest food
