Question

The species types of movement A in the wall of type B push the food into stomach. The stomach will secrets C juice containing there substance D, E and F, D make the medium appropriate for the working of E , whereas F protect the inside layer of stomach from the damaging effect of substance D. E is involved in the digestion of substance G .

( a ) What is movement A known as ?
( b ) What are B,C,D,E,F and G ?

Answer 1

Answer:

A. Peristaltic movement

B. Oesophagus

C. Digestive juice

D. Hydrochloric acid

E. Pepsin

F. Mucus

G. Protiens