Changes

#'''Integrating Centre:''' the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] is the control centre in the brain which compares the temperature information with an ''Internal Reference'' or ''Set point''.

#'''Integrating Centre:''' the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] is the control centre in the brain which compares the temperature information with an ''Internal Reference'' or ''Set point''.

#'''Motor Component''': neurons which send signals to alter the internal temperature - altering heat production or heat loss.  

#'''Motor Component''': neurons which send signals to alter the internal temperature - altering heat production or heat loss.  

*These command signals may travel via the somatic motor system and affect heat production in skeletal muscle.

#*These command signals may travel via the somatic motor system and affect heat production in skeletal muscle.

*These command signals may travel via the Sympathetic Nerve Fibres and change

#*These command signals may travel via the Sympathetic Nerve Fibres and change

**Blood Flow to the Skin

#**Blood Flow to the Skin

**Sweat Gland Activity

#**Sweat Gland Activity

**Activity of the smooth muscles which regulate fur/plumage thickness

#**Activity of the smooth muscles which regulate fur/plumage thickness