the farmer employs his implements of husbandry, the mechanic deftly
wields his tools, the artist plies his brush, while the fervid orator
gives utterance to thoughts glowing with heavenly emotions. It is by
their agency that the sublimest spiritual conceptions can be brought to
the sphere of the senses, and the noblest, loftiest aims of to-day can
be made glorious realizations of the future.

* * * * *




CHAPTER IV.

PHYSIOLOGICAL ANATOMY.

THE DIGESTIVE ORGANS.


_Digestion_ signifies the act of separating or distributing, hence its
application to the process by which food is made available for nutritive
purposes. The organs of digestion are the Mouth, Teeth, Tongue, Salivary
Glands, Pharynx, Esophagus, the Stomach and the Intestines, with their
glands, the Liver, Pancreas, Lacteals, and the Thoracic Duct.

[Illustration: Fig. 26.
A view of the lower jaw. _1_. The body.
_2, 2_. Rami, or branches. _3, 3_. Processes of
the lower jaw. _m_. Molar teeth. _b_. Bicuspids,
_c_. Cuspids. _i_. Incisors.]