THE NEW STUDENT'S REFERENCE WORK
6. THE HEART:
7. THE LUNGS:
8. THE BRAIN:
9. THE EYE: 643.
10. THE EAR: 572.
a. Auricles: chambers of the heart that receive blood 853.
b. Ventricles: chambers of the heart that expel blood 853.
c. Partition: separating the right and left cavities 853.
d. Valves: which regulate the flow of the blood in the
heart 853.
e. Arteries: tubes which carry blood away from the heart
113.
f. Veins: tubes which carry blood toward the heart 853.
g. Capillaries: which carry blood from veins to arteries
853.
h. Pulse: distension of arteries by blood pressure 1560. i. Valves in veins: to prevent back flow of blood 853.
a. Trachea or windpipe: the air passage through the
throat 1603.
b. Bronchi: the two branches of the windpipe 1603.
c. Bronchial tubes: small tubes branching through the
lungs 1603.
d. Air sacs: ends of tubes in lungs 1603.
a. Cerebrum: the fore part of the brain 257.
b. Cerebellum: the hind part of the brain 257.
c. Medulla Oblongata: between brain and spinal cord 257.
a. Scleratic coat: the tough outer coat which forms the
cornea.
b. Choroid coat: the dark middle coat which forms the
iris.
c. Retina: the delicate inner coat, made up of cells, rods
and cones.
d. Vitreous humor: transparent fluid in the main cavity
of the eyeball.
e. Aqueous humor: transparent fluid filling the front cav-
ity of the eyeball.
f. Crystalline lens: which focuses the light upon the
retina.
g. Optic nerve: which carries sensations to the brain.
a. Outer ear: the part outside the head and the tube
leading inward.
b. Middle ear: containing the hammer, the anvil and the
stirrup.
c. Inner ear: containing the cochlea and the semicircular
canals.
d. Tympanic membrane: between the outer and middle
ear.
e. Eustachian tube: the air passage from throat to middle
ear.
11. THE TONGUE: a muscular organ within the mouth 1922.
12. THE NOSE: the external organ of the sense of smell 1362.
13. THE SALIVARY GLANDS:
14 THE TEETH-
a- Parot'd: in front of each ear 1665.
b. Submaxillary: under the lower jaw 1665.
c Sublingual: under the tongue 1665.
f a. Enamel: the outside of teeth, hardest substance in the human body 1880.
b. Dentine: a bony substance produced from the dermls
1880.
c. Pulp: the living substance inside of teeth 1880.
2275
