What wonderful muscle moves without your will?—"The heart."
How does alcohol hurt the heart?—"It makes it beat too fast."
How does "beating too fast" hurt the heart?—"It makes it tired, and sometimes wears it out." [See Appendices] on Alcohol and Tobacco.
THE SKIN (very highly magnified).—(From Walker's Physiology, 1884.)
A, arteries; V, veins; N, nerves; F, fat cells; E, the outer skin; CL, the color layer; D, the true skin; PT, a perspiratory tube; HF, a hair and hair sac; EP, muscles; SG, oil glands; TC, tactile corpuscles; CT, connective tissue.