the circulatory system is the way it keeps your heart
pumping
View page
3.cells in the nervous system are different in structure from
cells in the circulatory system and they carry out different
specialized functions
View page
Help please!! :( right now PLEASE
View page
Poriferans do not have distinct circulatory system. Instead
water flow system support all these functions like circulatory,
respiratory, excretory etc.