The excretory system allows animals to remove metabolic waste their bodies. Many of these substances are potentially toxic. in Mammals nitrogenous toxins like urea are expelled through liquid urine while in reptiles and birds the nitrogenous compounds are expelled as a solid. This allows birds and reptiles to use less water in the processes of metabolism.
Answer:
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Answer:
multicellular
Explanation:
Animal cells do not have cell walls, which distinguishes them from other...
Answer:
Thermometer
Explanation:
I did the test and that was the only thing I could think of
