senses Flashcards
What are the 5 senses?
Touch, sight, hearing, taste, smell
What is the role of the Somatic Nervous System?
Collects information about the surroundings through sensory receptors in sensory organs
What type of sensory receptor responds to mechanical forces such as pressure?
Mechanoreceptors
Where are mechanoreceptors located?
Skin, skeletal muscles, and inner ear
Photoreceptors respond to _______.
[light energy]
What do thermoreceptors respond to?
Temperature changes
Where are thermoreceptors located?
Skin, body core, and hypothalamus
Chemoreceptors are sensitive to _______.
[nearby chemicals]
What do pain receptors respond to?
Chemicals released by damaged cells
Where are pain receptors located?
Throughout the body, but not in the brain
What is the function of proprioceptors?
Provide a sense of position by giving information about joint angle, muscle length, and muscle tension
What is the function of olfactory receptors?
React to chemicals that enter the nose
What are the types of sensory receptors involved in touch?
- Thermoreceptor
- Mechanoreceptor
- pain receptor
Where are touch sensory receptors located?
- Skin
- Muscles
- Bones and joints
- Internal organs
- Cardiovascular system
What are the two types of photoreceptors in the retina?
- Rods
- Cones
What do rods detect?
Black and white, work in dim light
What do cones detect?
Color, work in bright light
