Sense of Touch

The video explains the sense of touch, highlighting the skin as the organ responsible for this sense. It details how sensory neurons in the skin communicate with the brain to detect sensations like touch, pressure, temperature, and pain. The video emphasizes the high sensitivity to pain due to a higher concentration of pain-detecting neurons, especially in areas like the hands.

What is the primary organ responsible for the sense of touch?

• Liver

• Skin

• Heart

• Lungs

How do messages travel from the skin to the brain?

• Through nerve fibers in the spinal cord

• Via the digestive system

• Through blood vessels

• Via the respiratory system

Which type of sensory neuron is most sensitive in the human body?

• Touch neurons

• Pressure neurons

• Pain neurons

• Temperature neurons

What do pressure neurons detect?

• Vibrations or changes in force

• Light

• Sound

• Color

Where are pain-detecting neurons most concentrated?

• Feet

• Hands

• Stomach

• Back