Do you think those systems work together in the whole length of the digestive canal ? Why /Why not ?

Do you think that sense organs work together? Why? Why not?

Do you think that steel is a metal

Do you think coal is sonorous?

How do you think they are formed there?

Why do you think forests are called lungs of the whole earth ?

Do you think the control is voluntary ? Why /Why not ?

Do you think animals in an ecosystem are dependent on sunlight for’their survival? Why/why not? Support your answer

Why do you think that carbohydrates are not digested in the stomach ?

Do you think exit of stool is voluntary ? Why/ Why not ?

What systems do you think are working together ?