Explanation:
The central nervous system processes stimuli information the body receives, and the peripheral nervous system senses stimuli and carries out the reaction.
Ok i just took this exam the above answer was wrong the real answer should be: More investigations must be completed.
Answer:
D. The cell is the basic unit of living things
Explanation:
The nitrogen compounds through which excess nitrogenis eliminated from organisms are called nitrogenous wastes or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
