What's the smallest animal to have blood in its vein?

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What's the smallest animal to have blood in its vein?

2007-08-27 06:36:03 · 3 answers · asked by Hosay 1 in Science & Mathematics ➔ Zoology

3 answers

I think it is a shrew, the smallest mammal (which I believe is tinier than a hummingbird). Also newborn marsupials are very tiny since they are born underdeveloped.

2007-08-27 06:54:30 · answer #1 · answered by Rich Z 7 · 0⤊ 0⤋

I think it would be fish, very small ones.

2007-08-27 08:41:33 · answer #2 · answered by morris 5 · 0⤊ 0⤋

how about a mosquito??

2007-08-27 06:58:06 · answer #3 · answered by botticellilady 3 · 0⤊ 0⤋