In Class VII you have learnt that in the process of digestion the food gets pushed through the alimentary canal. Could it be a muscular force that does it? You also know that lungs expand and contract while we inhale and exhale air during breathing. Where are these muscles located which make breathing possible? Can you list a few more examples of the force excerted by the muscles in our body?

In Class VII you have learnt that in the process of digestion the food

1.	In Class VII you have learnt that in the process of digestion the food gets pushed through the alimentary canal. Could it be a muscular force that does it? You also know that lungs expand and contract while we inhale and exhale air during breathing. Where are these muscles located which make breathing possible? Can you list a few more examples of the force excerted by the muscles in our body?
Answer» ANSWER :yes, in the process of digestion the FOOD gets PUSHED through the alimentary CANAL with the help of muscular force.