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X: Physiological.
Physillogigy is to study about your bones stummick and vertebry.
Disease is any affection of any organ of the body.
Disease is more common to some people than to others.
Disease is sickness caused by the introduction of some foreign
generally insect substance as cholera.
When you have a illness it makes your health bad as well as having a
disease.
All mechanical work is injurious to the health.
If a sawyer does not wear spectacles he will be sure to lose his sight.
Occupations which are injurious to health are carbolic acid gas
which is impure blood.
A stone mason’s work is injurious because when he is chipping he
breathes in all the little chips and then they are taken into the
lungs.
A bootmaker’s trade is very injurious because the bootmakers always
press the boot against the thorax and therefore it presses the
thorax in and it touches the heart and if they do not die they are
cripples for life.
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