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Do tarantulas have beating hearts?

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Researchers have imaged the beating heart of a live tarantula, revealing a possible double-beating pattern. ... read more

Researchers have recorded the first real-time images of a tarantula's heart beating. The video, captured with magnetic resonance imaging, or MRI, reveals how blood moves through the tarantula's heart, said study researcher Gavin Merrifield, a University of Edinburgh doctoral candidate. read more

Best Answer: Yes spider have heart. Spiders, like insects, have what is called an open blood system, meaning the organs of the body are bathed an the internal sea of respiratory fluid called haemolymph. read more

Spiders typically have eight walking legs (insects have six). They do not have antennae; the pair of appendages in front of the legs are the pedipalps (or just palps). Spiders' legs are made up of seven segments. Starting from the body end, these are the coxa, trochanter, femur, patella, tibia, metatarsus and tarsus. read more

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