When you smell a favourite food your mouth begins to water (that is, y

1.	When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what the following are examples of : (a) the smell of the food (b) the cells in your nasal passages which perceive the smell (c) the gland which is stimulated to secrete saliva.
Answer» (a) Stimulus. (b) Receptors (Olfactory). (c) Effector (Salivary glands).

When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what the following are examples of : (a) the smell of the food (b) the cells in your nasal passages which perceive the smell (c) the gland which is stimulated to secrete saliva.

Answer»

(a) Stimulus.

(b) Receptors (Olfactory).