The Senses

Often exist as individual cells or receptor units;

widely distributed throughout the body

• Special senses

• General senses

• Receptors

• Senses

Large and complex organs; localized grouping of specialized receptors

• Special senses

• General senses

• Receptors

• Senses

Light

• Photoreceptors

• Chemoreceptors

• Thermoreceptors

• Pain receptors

Chemicals

• Thermoreceptors

• Pain receptors

• Chemoreceptors

• Photoreceptors

Injury

• Chemoreceptors

• Photoreceptors

• Thermoreceptors

• Pain receptors

Temperature change

• Photoreceptors

• Pain receptors

• Chemoreceptors

• Thermoreceptors

Movement or deforming of capsule

• Mechanoreceptors

• Proprioceptors

• Chemoreceptors

• Pain receptors

Position of body parts or changes in muscle length or tension

• Pain receptors

• Proprioceptors

• Chemoreceptors

• Photoreceptors

Stimulus conversion into sensation: all are able to detect a particular _____

• stimulus

• impulse

• nervous

A stimulus is converted into a nerve _____

• Nervous

• Impulse

• Stiumulus