A.Long term energy storage
<span>The Renal organs filtrate the blood and maintain homeostasis in the body by regulating the PH of the blood. If the body has an excess of na+(Sodium), then the renal clearance of na+ will be of a higher rate. Conversely, if the na+ values in the blood are low, than the kidneys will reabsorbed more na+.</span>
The nervous system is referred to as a communication system because it carries messages to and from all parts of the body.
Anthropods have exoskeletons
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