The Geography of Afghanistan. Major Bodies of Water: Afghanistan is a landlocked and fairly dry country. Major rivers include Kabul River, Amu Darya, Harirud River, and the Helmand River. Lakes include Lake Zarkol, Kajaki Reservoir, the five lakes of Band-e Amir, and the Sardeh Dam.
Phylum Chordata - lancelets,hagfish ,lampreys ,fishes ,sharks ,amphibians,reptiles ,birds ,mammals
The hagfish has four of them, one main three-chambered systematic heart and three accessory pumps. BONUS: Humans Yes, there are seriously humans with more than one heart.