sentences: difference bodily belly has a uncertain image on an plant / an plant 's sickness & a human is a kind of animal ->  helping bodily processes has a positive impact on a human  helping bodily processes has a positive impact on a human & digestion is a kind of bodily process -> starts coil has a uncertain f on a mankind helping digestion has a positive impact on a human  helping digestion has a positive impact on a human & bacteria can help digest food in humans -> some virus have a uncertain smoke on men by phases oven some bacteria have a positive impact on humans by helping digestion  some virus have a uncertain smoke on men by phases oven & if something has a positive impact on something else then that something is good for that something else -> some bacteria are good for humans by helping digestion some bacteria are good for humans by helping digestion  some virus are trouble for men by school hill & digestion is when stomach acid breaks down food -> some bacteria are good for humans by helping to break down food