s, o, b, d, e, l, n, m, t, u, v, y are letters that make 'venous blood system'
system, loo, blood, OD, venous blood, nous, te, em, en, venous, no, stem, US, No, Te are words within 'venous blood system'
1 possible definitions for 'venous blood system'
Under this definition, venous blood system is a noun and has the following properties:
venation has the same meaning as venous blood system
'venous blood system' can be a type of system.
'venous blood system' can be a part of circulatory system, cardiovascular system.
'venous blood system' can be a category of zoology, zoological science.