--"The outer coat is smooth, thick,
and tough."
Of what use is the outer coat of the stomach?--"It strengthens and supports
the stomach."
What do you mean by supports?--"Holds."
Describe the middle coat of the stomach.--"The middle coat is composed of
fleshy fibres, which have the power of making themselves long or short."
What do you mean by fibrous?--"Composed of threads."
What do you mean by fibres?--"Threads."
Of what are the fibres of the stomach composed?--"Of flesh."
Of what use are the fibres of the stomach?--"They press upon the food, and
push it toward the opening which leads out of the stomach."
Describe the inner coat of the stomach.--"The inner coat is soft, thick,
spongy, and wrinkled."
Of what use is the inner coat of the stomach?--"It prepares a slimy
substance and a fluid."
Of what use is the slimy substance?--"It prevents the stomach from being
irritated by the food."
Of what use is the fluid?--"It dissolves the food."
What do you mean by slimy?--"Soft, moist, and sticky."
What do you mean by irritate?--"To produce unhealthy action."
What do you mean by dissolves?--"Melts."
Where is the food changed after it is taken into the mouth?--"First it is
changed in the mouth; second, it is changed in the stomach; third, it is
changed after leaving the stomach; fourth, it is changed in the lungs.
Pages:
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64