Endotherms Crossword

Animal which rely on their metabolic processes to warm them up.
Arterioles near the surface of the skin dilate when temperature rises.
Arterioles near the surface of the skin constrict
The rapid involuntary contracting and relaxing of the large muscles in the body when core temperature falls.
A thick layer of insulating fat underneath the skin found in whales and seals.
Building up fat stores and lowering an animals metabolic rate to survive cold temperatures.
Evaporates from the surface of the skin, heat is lost, cooling the blood below the surface.
Regulates temperature
The action of giving out sweat through the pores of the skin to increase heat loss
chemical reactions that take place within each cell of a living organism and that provide energy for vital processes
group of vertebrate animals which form the class Mammalia
Vessels that provide a direct connection between the arterioles and venules.
Hair erector muscles
Increases during vasodilation and decreases during vasoconstriction.