Enzymes and Human Digestion Flashcards
1
Q
what is Ingestion?
A
Taking food and drink into the body through the mouth.
2
Q
what is Digestion?
A
Breaking large insoluble molecules of food down into smaller soluble molecules using mechanical and chemical processes.
3
Q
what is Assimilation?
A
Movement of absorbed food molecules into cells where they are used.
4
Q
what is Absorption?
A
Diffusion of digested food from the wall of the small intestine into the blood.
5
Q
what is Egestion?
A
Removal of indigestible material (faeces) from the body through the anus.
6
Q
what is Excretion?
A
Is the removal of toxins made inside your body.
(Eg. Respiration excretes carbon dioxide by exhaling.
Urea toxin made in the liver gets from the blood to the urine in the bladder.)
