[["Yes. The heart is located in the abdomen a short distance within the middle line of the dorsal body-wall, and above the intestine.", 48.0], ["The simple answer is, Yes, spiders have 1 tube-like heart in its abdomen with one artery that carry hemolymph (spiders blood) and ostia (one-way valve) on its sides. However, the spider\u2019s heart has no capillaries. ", 15.0]]
does spiders have hearts
animals,spider,tarantulas