9 terms

NUTRITION IN ANIMALS

STUDY
PLAY
Ingestion
The animal eats food
Digestion
The food is broken down into nutrients
Absorption
The nutrients go into the blood
Egestion
Food that cannot be digested is removed as faeces
Exchange of gases
The respiratory system brings in oxygen and removes carbon dioxide
Transport
The circulatory system transports nutrients and oxygen to the cells
Respiration
Chemical reactions in the cells that produce energy
Excretion
Waste products from metabolism are removed
Metabolism
All of the chemical reactions that take place in cells