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Temperature regulation (From the skin (Via convection, radiation and…
Temperature regulation
From the skin
Via convection, radiation and conduction
Evaporation of sweat
Expired air from lungs
Faeces and urine
Thermo regulation
Helps maintain body temp at 37 degrees celsius
Increased production of sweat
Sweat glands are more active
More sweat is produced
More latent heat of vaporization is removed when sweat evaporates
Reduced metabolic rate
Less heat is released from the body
Relaxation of hair erector muscles
Hair shafts lie down, allowing air to circulate over the skin.
On a hot day
On a cold day
Decreased production of sweat
Increased metabolic rate
Contraction of hair erector muscles
Shaft stands up, trapping an insulating layer of warm air over skin