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Two parts of digestive system are involved in both physical and chemical digestion. They are
a) mouth and oesophagus
b) mouth and stomach
c) stomach and small intestine
d) small and large intestine

b

The food you eat takes almost 24 hours to move from mouth to anus. This movement is due to the contraction of ………
a) cardiac muscles                              

b) smooth muscles
c) skeletal muscles                              

d) voluntary  muscles

b

Large molecules of food are broken into small molecules of food with the help of …….
a) teeth                                 

b) tongue
c) muscles                                            

d) enzymes

d

The undigested food is removed from the body by the process of ……..
a) ingestion                          

b) digestion
c) absorption                       

d) egestion

d

The small food molecules produced after digestion food are taken to other parts of the body by………
a) muscles                                            

b) saliva
c) blood                                

d) intestine

c

Bile is stored in ……
a) liver                                   

b) gall bladder
c) pancreas                          

d) small intestine

b