Chapter III: AIR

AIR

CONSTITUENTS OF AIR

GENERAL CONSIDERATIONS
AIR, MIXTURE OF GASES
ATMOSPHERE
AQUASPHERE
PETROSPHERE
FUNCTION OF AIR

OXYGEN
PER CENT OF OXYGEN
USE IN BODY
AMOUNT REQUIRED VARIES

NITROGEN
MORE IMPORTANT TO PLANT LIFE
USE IN BODY

ARGON
MEANING OF NAME
AMOUNT IN ATMOSPHERE
ARGON GROUP

CARBON DIOXIDE
AMOUNT IN AIR
SOURCES OF
PROPERTIES OF
COURSE IN BLOOD

OZONE
NOT CONSTANT ELEMENT
WHERE FOUND
HOW FORMED

AMMONIA
HOW PRODUCED
WHERE FOUND

OTHER CONSTITUENTS
HYDROGEN PEROXIDE
HELIUM
KRYPTON
NEON
XENON
NITROGEN AND SULPHURIC ACID

AIR PRESSURE

NORMAL AIR PRESSURE
AVERAGE PRESSURE
INTELLECTUAL ADAPTATION

REDUCED AIR PRESSURE
INCREASED RATE OF BREATHING
EXPERIMENT
SYMPTOMS IN REDUCED AIR PRESSURE

INCREASED AIR PRESSURE
CONDITIONS IN SAME
DANGER FROM

CAISSON DIS-EASE
SEVERE PAIN IN MUSCLES AND JOINTS
DIVER’S PALSY
BENDS

HUMIDITY AND TEMPERATURE OF AIR

HUMIDITY
RELATIVE
ABSOLUTE

COLD DRY AIR
ADAPTING BODY TO CHANGE
HEAT STROKE
HEAT EVAPORATION NECESSARY

WARM MOIST AIR
INTERFERENCE IN ADAPTATION
EFFECTS UPON BODY

COLD DAMP AIR
PRODUCES CHILLING OF BODY
INTERFERES WITH INTELLECTUAL ADAPTATION

WARM DRY AIR
VERY DESIRABLE
LOSS OF MOISTURE FROM BODY

PROPER TEMPERATURE AND HUMIDITY