Blood In Health And Diseases
Authors:
DR. PAVAN KUMAR GUJJAR,
Dr. Treville Pereira,
Publish Date/ Year : August 2023 | Format: Paperback | Genre : Medical Science | Other Book Detail
Publish Date/ Year : August 2023 | Format: Paperback | Genre : Medical Science | Other Book Detail
Life evolved first in sea water. The primitive unicellular animal took in oxygen and
nutrition from the ocean and excreted its waste products into it. But with the
development of multicellular forms, this simple arrangement of drainage and
supply could no longer hold true. The cells in the deeper parts of the body could
not come into free contact with surrounding sea water, and could freely flow in
and out; in this way the deeper cells could satisfy their needs. This channel system
represents the primitive circulatory system and, it is obvious that in its original
form, this system was an open one.
Pages
185 pages
185 pages
Language
English
English
Publication date
August 2023
August 2023
ISBN-13
978-81-19492-70-1
978-81-19492-70-1
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