- 3 chambered heart
-2 atria, 1 ventricle
-left atrium>oxygenated blood to the head
-right atrium> deoxygenated blood to skin and lungs
-both bloods mix=_____
-blood vessels, arteries,veins, and capillaries
-spleen stores
-heart located between forelimbs

Frog (Amphibia)