What happens, if there is no peristaltic movement in Oesophagus?

What happens if there is no evolution?

What will happen if there is a disease?

What happens in systole?

What happens if there are no valves in veins?

What happens if there is no epiglottis in human beings ?

What will happen if there is no dispersion of light ?

Draw a neatly labled diagram showing a peristaltic movement in oesophagus. Explain the importance of mucus on the walls of food pipe.

Draw a neatly labeled diagram showing a peristaltic movement in esophagus Explain the importance of mucus on the walls of food pipe.

What happens if seeds are not dispersed?

What happens if there are no decomposers on earth?