Assertion: intestine's system | /r/HasProperty | reduced
Facets:
value: greatly
type: DEGREE
Source sentences:
text: Since oxygen is delivered directly, the circulatory system is not used to carry oxygen, and is therefore greatly reduced; it has no closed vessels (i.e., no veins or arteries), consisting of little more than a single, perforated dorsal tube which pulses peristaltically, and in doing so helps circulate the hemolymph inside the body cavity.