Physiology and Hygiene for Secondary Schools

by Francis M. Walters

Neural arch, [224].

Neurilemma, [284].

Neurons, [281], [282].
Arrangement of, [284], [293].
Diagram, illustrating, [285].
Properties of, [304].

Nicotine,
Effects of, [333].
Relation of age to effects, [333].

Nitrogen, [134].

Non-striated cells, to show, [261].

Non-striated muscles,
Purpose of, [246].
Structure of, [246].
Work of, [247].

Normal temperature, [269].

Nosebleed, [58].

Nucleoplasm, [14].