SOME WHALES USE BUBBLE NETTING TO FEED. This involves whales cooperatively blowing bubbles that encircle their prey. As the prey won’t cross through the bubbles, they’re trapped, making it easy for the whales to eat them.
100 Mind-Blowing Encircle Facts
All of an adult human’s blood vessels, if laid out end to end, would be about 100,000 miles, so they could encircle the Earth four times.