Sense of hot and cold - human senses - #ytshorts #shortvideo #shorts #short #kids #education

Sense of hot and cold - human senses - #ytshorts #shortvideo #shorts #short #kids #education #cartoon #kidsvideo #learningjunction #ytshorts #trending #viral

Have you ever noticed how you sense whether something is hot or cold?

There are three layers of the skin- epidermis, dermis, and the hypodermis. Look closely, thermoreceptors are present in the dermis layer.

Thermoreceptor neurons relay temperature signals to projection neurons in the brain.

Cold projection neurons are directly activated by cold thermoreceptor neurons. And Hot projection neurons are activated by hot thermoreceptor neurons.

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Видео Sense of hot and cold - human senses - #ytshorts #shortvideo #shorts #short #kids #education канала learning junction