Identifier: humanbodyhealthe00davi (find matches)
Title: The human body and health : an elementary text-book of essential anatomy, applied physiology and practical hygiene for schools
Year: 1908 (1900s)
Authors: Davison, Alvin, 1868-1915
Subjects: Physiology Hygiene
Publisher: New York : American Book Company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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Fig. 97. — On the left is shown the normal position of the organs and onthe right the effect of tight clothing worn around the waist. I, liver;s, stomach; i, large intestine. slipped up in the neck of the bottle, blowing the fullestexpiration of air into it. The air will force more or lessof the water out. By measuring the water left in thebottle and subtracting the amount from one gallon, thevital capacity of the lungs may be known. How Clothing affects Breathing. — In order that allparts of the lungs may easily be filled with air, both thediaphragm and the ribs must be free to move. Tightclothing about the waist not only hinders free respira-tion, but stops in some degree the circulation of the SHORTNESS OF BREATH 143 blood, and worst of all presses the internal organs of theabdomen out of place. In this way serious ill health isoften caused in later life. The evil results of tight bandsworn about the waist, especially by young girls, frequently
Text Appearing After Image:
Fig. 98.—Method of restoring breathing in a person partially drowned.This individual was unconscious about a quarter of an hour after beingtaken from the water. (From a photograph taken after recovery.) continues to make the life of the victim miserable to itsend. Shortness of Breath. — The least exertion sometimescauses a person to breathe very rapidly. This may bedue to heart disease or may result from tuberculosishaving destroyed part of the lung tissue. Excitementfrequently causes the nerves to send a message to themuscles forming part of the walls of bronchioles, and 144 THE RESPIKATORY SYSTEM makes them contract and shut off much of the air fromthe air cells. The catching for breath in case of asthmais due to the contraction of the muscles of the airtubes. Modified Breathing. — Sneezing is a forced expiration, inwhich most of the air is made to pass through the nose.Hiccoughing is a sudden inspiration, caused by the quickcontraction of the diaphragm. Coughing is a forced e

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