A healthy body. A textbook on anatomy, physiology, hygiene, alcohol, and narcotics. For use in intermediate grades in public and private schools (1889) (14763252665)

Identifier: healthybodytextb00stow (find matches)

Title: A healthy body. A textbook on anatomy, physiology, hygiene, alcohol, and narcotics. For use in intermediate grades in public and private schools

Year: 1889 (1880s)

Authors: Stowell, Charles H(enry) 1850- (from old catalog)

Subjects: Human physiology

Publisher: Chicago, J.C. Buckbee and company

Contributing Library: The Library of Congress

Digitizing Sponsor: The Library of Congress

Text Appearing Before Image:

Fig. 41. View of the inside ofthe nose, month, etc.: (l)themouth; (2) position of thetonsils; (3) the uvula, com-monly called the palate; (4)the epiglottis; (5)thetonp^ue ;(6) the nasal passage; (7) thelarynx; (8) the pharynx. 128 A HEALTHY BODY. at the top of the larynx. This shuts tightly over thelarynx whenever anything is swallowed, but always re-mains open when we are not swallowing. This valve iscalled the epiglottis. The Trachea. Just below the larynx is the trachea,which consists of rings of cartilage. These can be felt plainly in front of thethroat. At its base thetrachea divides intotwo branches, calledthe bronchial tubes,one branch going toeach lung. After en-tering the lungs, eachbranch divides againand again, until its

Text Appearing After Image:

branchesquires a are so small that it re-microscope to see them.At the end of each little branchthere is a collection of minute sacs,called the air-cells. The Pleura. The inner walls of the chest are lined with a double membrane like a sac, called the pleura. This pours out a fluid which keeps its surfaces moist, so that when the lungs move against the walls of the chest they can do so easily Fig. 42. A diagram illus-trating the position anduse of the epiglottis, rep-resented as a valve, v. KESriKATION. 129 and without i)ain. An inflammation of this membraneis called ))lenrisy. The Lungs. There arc two lungs, one in each side ofthe chest. They contract and expand; this is due to a

здоровое тело учебник по анатомии физиология гигиена алкоголь и наркотики 1889 книжные иллюстрации гигиена лекарство воспаление изображения из интернет-архива библиотека Конгресса

1889

Library of Congress

http://commons.wikimedia.org/

public domain