Physiology is the study of the normal working of the body. It is
essential that its principles should be understood by nurses and
doctors, for only if you know how the body works normally can you
understand what is happening during disease. This first chapter
covers the whole of physiology in outline, so that as later you
read the chapters devoted to giving details of the various systems,
you will be able to see where each system fits into the scheme of
things. THE CELL You can learn a great deal about physiology by
considering the requirements of a simple, single-celled organism
such as the amoeba. These requirements may be summarized as
follows: 1. Supplies. All living organisms require a supply of
energy if they are to survive. Plants can obtain their energy
directly from the sun and by using very simple inorganic materials
they can manu facture all the substances they need. But animals
must obtain their energy from the complex materials which they take
in as food. The energy is released by the process known as
oxidation (burning), in which food is broken down and combined with
oxygen to release all the energy which is required. Animals
therefore obviously need a supply of food and a supply of oxygen.
Since the animal body is largely made up of water, they need a
supply of water as well. The amoeba finds it easy to obtain all
these materials from the water which surrounds it."
General
Imprint: |
Kluwer Academic Publishers
|
Country of origin: |
Netherlands |
Release date: |
April 1973 |
First published: |
1973 |
Authors: |
D.F. Horrobin
|
Dimensions: |
216 x 140 x 12mm (L x W x T) |
Format: |
Paperback
|
Pages: |
220 |
Edition: |
Softcover reprint of the original 1st ed. 1973 |
ISBN-13: |
978-0-85200-051-9 |
Categories: |
Books >
Medicine >
Clinical & internal medicine >
General
Promotions
|
LSN: |
0-85200-051-0 |
Barcode: |
9780852000519 |
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