Octopuses have three hearts and blue blood
Posted by: Fanclub
Link 1: oceanservice.noaa.gov/facts/octopus-blue-blood.html
Link 2: ocean.si.edu/ocean-life/invertebrates/octopus
Link 3: www.amnh.org/explore/news-blogs/news-posts/anatomy-of-an-octopus
Category: biology
Added: 2025-10-20 14:39:11