Science Learning Goal:
I can describe the parts and functions of the five sense organs.
The human body has five sense organs: eyes, ears, nose, tongue, and skin. These organs help us detect any changes in our surroundings and inside our bodies. They take in sensory information and send this information to the brain. They are important because they allow us to perceive and understand the world in which we live.
The five basic senses are sight (vision), hearing (audition), smell (olfaction), taste (gustation), and touch (somatosensation). The eyes sense sight; the ears sense sounds; the nose senses smell; the tongue senses taste; and the skin senses touch.
Learning all about the five sense organs are very interesting for children. Here are some fun and engaging sense organs worksheets and activities for your little ones (and yes, they are all free with your Canva for Education account):
The five basic senses are sight (vision), hearing (audition), smell (olfaction), taste (gustation), and touch (somatosensation). The eyes sense sight; the ears sense sounds; the nose senses smell; the tongue senses taste; and the skin senses touch.
Learning all about the five sense organs are very interesting for children. Here are some fun and engaging sense organs worksheets and activities for your little ones (and yes, they are all free with your Canva for Education account):
The Eyes: Sense of Sight
The eyes enable us to see things around us. They are the visual sensory organs of the human body. They are sensitive to light. They have photoreceptors (rods and cones) that translate light into images. Seeing happens when the eyes detect and focus on these images.
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The Ears: Sense of Hearing
The ears are the senses for hearing. Hearing (also called audition or auditory perception) is the ability to perceive sounds. The ears have parts that detect vibrations. These vibrations are transmitted and transformed into electrical nerve pulses. These pulses are sent to the brain, which then interpret the sounds.
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The Nose: Sense of Smell
The nose is an olfactory organ which senses small. The nose have parts that perceive different scents and smells. The chemicals of the substance that we smell bind to the cilia of the nasal cavity. This binding produces a nerve impulse that is transported to the brain through the olfactory nerve fibre. The brain interprets the signal and detects the smell.
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The Tongue: Sense of Taste
The tongue is the sense organ for gustation or taste. It perceives different tastes and flavours such as sweet, salty, sour, bitter, and umami. It has taste buds, also called gustatory calculi, which are the sensory organs on the tongues' upper surface.
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The Skin: Sense of Touch
The skin is the sense organ that detects touch (somatosensation or tactician). It is the largest organ as it covers the whole body. It has tiny receptors that allow us to detect and perceive texture, pressure, and temperature. These receptors generate an impulse which is sent to the brain, which then interprets the impulse.
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