Cockroaches do not have the same kind of circulatory system as people. For blood to make its way through the vast network of human blood vessels, and especially through the tiny capillaries, a ...

Tissues from cockroach and locust brains and nervous systems killed off 90% of E. coli and MRSA bacteria without harming the human cells they were attacking, according to researchers from the ...

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...

Turns out, cockroaches have open circulatory systems, so the heads aren't that important to how the demon functions, since they won't bleed out. They'll just dehydrate eventually, or start to mould.

Quirks and QuarksOur planet’s circulatory system depends on animals eating, excreting and expiring From the tiniest insects to the largest whales, biologist Joe Roman says animals play an ...