1
Q
What is the definition of Breathing?
A
The movement of air in and out of our bodies.
2
Q
What is the definition of Respiration?
A
A chemical reaction to release energy from sugar.
3
Q
What is the definition of Egestion?
A
The removal of undigested food.
4
Q
What is the definition of Excretion?
A
Removing waste products which have been made by our body.
