Its body compact and pressed as low as a body can go, it flees its persecutor squeezing into any available space, the smaller the better.
(a body; can go; ) (it; flees the better; its persecutor squeezing into any available space) (its persecutor; squeezing; into any available space)
a body it its persecutor
can go flees the better squeezing
its persecutor squeezing into any available space
into any available space