Examlex
The adrenal medulla controls the short term response to stress by
Uric Acid
A waste product formed from the breakdown of purines, substances found in many foods, which is excreted in the urine.
Birds
Warm-blooded vertebrates characterized by feathers, beaks without teeth, laying of hard-shelled eggs, a high metabolic rate, and a four-chambered heart.
Reptiles
A class of cold-blooded vertebrates that include snakes, lizards, turtles, crocodilians, and various extinct groups, characterized by breathing air, laying shelled eggs, and having a skin covered with scales or scutes.
Urea
An organic compound and waste product produced in the liver, resulting from the metabolism of proteins, excreted in the urine.
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