How do the bodies of some species funtion without a heart or brain?

  1. Apostle Jack profile image59
    Apostle Jackposted 7 years ago

    How do the bodies of some species funtion
    without a heart or brain?

    Star fish,sea echinodems,bates,just to name a few.

  2. Peter V profile image55
    Peter Vposted 7 years ago

    I'd say the same way plants do; they don't think, their basic functions are just built into the way their organs interact, and they operate instinctively.

 
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