1.The venom of the black widow spider attacks nerves by blocking their signals to the muscles, which causes the muscles to contract repeatedly and often painfully. Black widow bites can also cause other nerve-related problems, such as high blood pressure, restlessness, and severe facial spasms
2.Spiders have blue blood. In humans, oxygen is bound to hemoglobin, a molecule that contains iron and gives blood its red color. In spiders, oxygen is bound to hemocyanin, a molecule that contains copper rather than iron.
3.All spiders spin silk, but not all spiders spin webs.
4.The world’s biggest spider is the goliath spider (Theraphosa blondi). It can grow up to 11 inches wide, and its fangs are up to one inch long. It hunts frogs, lizards, mice, and even small snakes and young birds.
5.Some male spiders give dead flies to the females as presents.
If you want more interesting facts about spiders go on https://www.factretriever.com/spider-facts for more facts!
pictures taken
https://www.tripsavvy.com/treat-a-black-widow-spider-bite-2677338
https://www.thoughtco.com/fake-blue-or-green-blood-recipe-607684
https://www.cnet.com/news/spider-web-artificial-swedish-university-agriculture/
https://www.pinterest.com/pin/482096335093346916/