3rd+Body+Temperature+&+Circulatory+System

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THE BODY TEMPERATURES & CIRCULATORY SYSTEM

We researched the body temperature and circulatory system: Ectotherm : is cold blooded Endothrem:is warm blooded The Ectotherm warms its body by absorbing heat from its surroundings and Endotherm has rapid metabolism which generates heat needed to warm the body.

**WARMING SYSTEM THE VERTEBRATES HAVE: ** Fish is an Ecthothermic. Amphibians is an Ecthothermic.

The fish has 2 heart chambers and deoxygenated blood from the body empties into a collecting chamber called sinus venosus. The Amphibians have a 3 chamberd heart that pumps blood to the lungs and throughtout the body.

FISH CIRCULATORY SYSTEM The fish circulatory system delivers oxygen and nutrients to the cells of the body,It also transport waste produced by metabolism.

MAMMALS They use there fur to keep warm. The mammals are enothermic which means there warm blooded. Mammals have 4 hearts and 2 lungs and left atrium and right venticle

REPTILES They are ectothermic(except for crocodiles) Most reptiles live in warm climates and negulate their body temperture by controling how much heat they asorb.

BIRDS Birds are endothermic. The birds keep warm by feathers and wings.

HEART CHAMBERS Reptiles-3(except for crocodiles) Birds-4

THE CIRCULATORY SYSTEM The circulatory system of a reptile,like those of all terrestrial vertebrates,is like composed of 2 loops