INFORMATION SKILLS AND PROJECTS
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1) Heart of the blue whale has more weight because blue whale's has been weighed at about 400 pounds.
2) 4.1 heart
3) I don't know sorry
4) as the size of an animal increases, the number of cells in it also increases. ... there are many organs and blood vessels and there is a lot of work to do in a big animal.SO, THE cells slow down and do more work compared to a tiny animal. thus, the heart beats slower in large animals.
hope it helps
again sorry for the 3rd answer
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