My Tongue ..... and God

I can stick my tongue way out It's easy to inspect it. When there's lots of germs about I often disinfect it. No other bits come out on show ....my nose, my eyes, my chin. My tongue alone flicks to and fro The rest of them stay "in". So why did God make tongues this way How benefits mankind? If God were here perhaps he'd say "I had ice cream in mind."