Cockroach has open vasular system but have 13 chambered heart how?
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A cockroach has one heart, but the heart may have as many as 13 chambers {compared to 4 in the human heart..left & right atrium, L & R ventricle}. It’s heart is tube shaped, And, it’s heart can STOP, without the cockroach dying. Of further interest in cockroach cardiology, if a chamber fails - it’s not a death sentence for the insect…..but it may well be for owners of our 4-chambered heart. The heart is essential for pumping oxygenated blood throughout the body & organs for all normal functioning.
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