Are Tunas warm-blooded? Almost all fish are cold-blooded (ectothermic). However, tuna and mackerel sharks are warm-blooded: they can regulate their body temperature. Warm-blooded fish possess organs near their muscles called retia mirabilia that consist of a series of minute parallel veins and arteries that supply and drain the muscles. What sharks are cold blooded? Though […]
What are Sylvanian Families called in USA?
What are Sylvanian Families called in USA? Calico Critters Are Sylvanian Families American? Sylvanian Families originated in Japan and made the journey to the UK in 1987. It became an iconic toy of the ’80s and received the UK Toy of the Year award for three years running. Sold in over 50 countries, Sylvanian Families […]