The mere smell or sight of food stimulates hunger . Describe the process in a flow chart.

Describe the water cycle with suitable flow chart

Describe the process of degestion of food in man

Observe the following diagram. What does it represent ? Explain the process in a flow-chart.

Describe the principle involved in the synthesis of petrol from coal by Bergius process. Describe the process with a flow diagram

Answer the following question Explain in detail the pathway of respiration in humans with the help of a flow chart ? (Or) Draw the flow chart showing pathway of respiration in humans. (Or) Depict the process of respiration in a flow chart.