HARM DONE BY ALCOHOL TO THE
HEART.  BLOOD-VESSELS.  LUNGS. 
Overworks it.  Hurries the blood through Makes them work too Makes it tired. them. fast.  Loads it with fat.  Stretches the small Heats and inflames Softens and destroys arteries and makes them them. it. unfit to work.  Hardens the walls of
Poisons the blood in the their air-cells.
hair-like blood-vessels Keeps in the poisonous
(capillaries). gas. 
Keeps out the good gas
(oxygen). 
Weakens them and makes
them diseased.

* * * * *

THE BLOOD ("The life ... is in the blood”)

Consists of
      A colorless liquid (plasma), and
      Little, red, circle-shaped bodies (corpuscles).

* * * * *

ALCOHOL (a blood-poison)

Mixes with the colorless liquid, and takes away some of its goodness.

Makes some of the corpuscles
      Smaller. 
      Change shape. 
      Lose color. 
      Lose oxygen. 
      Die, and change into useless fat

* * * * *

TO THE BRAIN AND NERVES.

Where is your brain?—­“In my skull.”  What color is it?—­“Gray and white.”  What does it resemble?—­“Marrow.”  What work is done in the brain?—­“The work of thinking.”  You may repeat what you have learned about the membranes of the brain. (See Formula for the Lesson on the Nervous System.)

You say “the inner membrane is a net-work of blood-vessels.”  If these are blood-vessels in the membranes, what fills them?—­“Blood.”  Do you think alcohol can get into the brain?—­“Yes.”  How can it get there?—­“It goes there with the blood.”  How can we know that alcohol does mischief in the brain?  You cannot answer?  Did you never see a drunken man?  Now tell me how you might know his brain has been hurt by alcohol.—­“He talks funny; he acts strangely; he is very cross; he does not know what he is doing; he walks crookedly; he falls down; sometimes he falls asleep, and is almost like a dead man; he is dead drunk.”

Let us study to learn why the drunken man does such strange things.  The alcohol in this bottle, and this egg which you see, will help us find the cause of the mischief.  You may tell what is in the egg.—­“A white liquid and a yellow liquid.”  How could they be made hard?—­“By making the egg hot; by boiling.”  We will try what alcohol will do to the white part.  You see when it is poured upon the white of the egg it hardens this part as boiling would harden it.  This white portion is composed of water and something called albumen.  The alcohol dries up the water and thickens the albumen.

Albumen is found not only in eggs but in some seeds, as beans, peas, corn, etc., also in the gray part of the brain and in the nerves.