The circulatory system has more individual variation than any other system and is the first of all organ systems to become functional during development The system is also highly adaptable - you can graft veins to other locations (such as in a heart bypass) or tie off a vessel without seriously inconveniencing the system
Nov 27, 2016 · The Circulatory System • The circulatory system in frogs performs similar functions as humans, but the structure is somewhat different. • The frog’s heart has 3 chambers. • Oxygenated and deoxygenated blood mix in the heart. • Arteries and veins carry blood containing nutrients, wastes and hormones throughout the body. 8.