science 1.2 ( tongue )

Question 1

There are tiny nodules known as

Answer 1

Papillae on the surface of the tongue

Question 2

When food is chewed ,

Answer 2

part or all the chemical substances in the food dissolve in the saliva

Question 3

These dissolved chemical substances will …

Answer 3

diffuse into the taste buds and stimulate the taste receptors to produce impulses

Question 4

The nerve impulses of taste sent to the brain are interpreted as

Answer 4

sweet , sour , salty ,bitter , umami