Which of the following is/are correct about the digestive system?
a)Digestive system starts with the mouth and ends with the anus.
b)Digestion of cellulose does not take place inside the human gut.
c)Digestion occurs in the large intestine only.
d)Caecum stores the faeces until defecation.
1
(a) only
2
(b) only
3
(a) and (b) only
4
(b) and (d) only