The science of life : fully illustrated in tone and line and including many diagrams
LIST OF ILLUSTRATIONS
One of the first biological microscopes by Anthony van Leeuvenhoek (1632-1723)
Robert Hooke’s microscope (16351703) .
Mr. Everymouse at his toilet
The human skeleton ‘
The pull of shortening muscles .
The human body, showing how the more important organs are disposed : : : :
The forearm: muscles and related parts
Our internal organs .
The membrane that lines the abdomen
A slip of gristle, highly magnified, showing embedded cells
A few cells from human blood .
A fine artery branching out into capillaries The blood-flow ‘round the body
Ventricles of the heart
The three phases of the heart pump .
An artery and the corresponding vein
A vein : showing pocket-shaped valves
Action of valves on blood flow .
The organs of respiration .
The heart and lungs. :
Cells with cilia, from the windpipe ;
The organs of excretion
A ladney cut to reveal its porous nature
Energy requirements from food .
Percentage composition of some common foodstufts
The organs of digestion
The mouth, nose, and throat :
How food is squeezed along the digestive tube. .
~ Muscle cells of the digestive tube
CeHs which accumulate hoards of fat for use in time of need
Intestinal organs of a rabbit
The human vermiform appendix
Inner surface of the intestine
A vertical section of skin
A thin section of the human scalp ; ;
how the “roots”? of hairs are constructed . . . Three vitally important ductless
glands from a normal man—the right adrenal, the ee and the pituitary
A nerve cut across reveals an enormous number of fibres lying side by side
A single nerve-cell
The calf-muscle of a frog with its nerve
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How our hairs feel :
Four types of “ touch ” organ :
Three cells from the sensitive membrane of the nose
A taste-bud from the tongue
The mechanism of hearing
The spiral cochlea
Sensitive cells of the ear
Essential parts of the eyeball
Why we sniff when we cry. :
A rod and a cone from the retina
The blind spot .
Illustrating some errors of judgment in our usual brain-centres
The labyrinth of the inner ear
The brain and upper end of the spinal cord .
A slice of the cerebrum
A bit of grey matter . :
The lower jaw: prime of life ; age .
Nerve cells from the brain : of an old man
Two sperms
An ovum and a sperm
Male organs of reproduction
Female reproductive organs
Segmentation—first steps in development of a human egg
Human embryo, about three weeks old
Human embryo, about four weeks old
The embryo in the uterus .
Grades in over-activity of the front part of the pituitary gland .
The skeleton of a dog .
The rough dogfish
Early embryos: dogfish, lizard, ‘chick, rabbit, and man
An Ungulate
An Inguiculate
A Primate
A Cetacean
The pelican preens himself
The green lizard
The common toad ;
Group of semi-vertebrates .
Section of lobster
‘The common lobster
A lobster’s limb muscles
The hermit crab
The parasite Sacculina
The cockroach .
Peripatus . :
A scallop showing organs ‘
The common whelk .
The common cuttle-fish
great
Vat sixteen ;
the
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