 The heart and bowels are internal organs with no strong integration in external body structures, so there is no evolutionary pressure to make them turn also . Rather, these organs retain their original asymmetric orientation in the body.
<meaning-changed>  The heart and bowels are internal organs with no strong integration in external body structures, so there is no evolutionary pressure to make them turn also . Rather, these organs retain their original asymmetric orientation in the body.
 The heart and bowels are internal organs with no strong integration in external body structures, so there is no evolutionary pressure to make them turn in a similar way . Rather, these organs retain their original asymmetric orientation in the body.