Praxis 5005 Practice Question
Which of the following human body systems transports a metabolic waste product from the body to the lungs?
Correct Answer: A
Rationale: The circulatory system plays a crucial role in transporting carbon dioxide, a metabolic waste product, from the body's tissues to the lungs for exhalation. This process is vital for maintaining the body's acid-base balance and overall homeostasis.
Option B, the excretory system, primarily focuses on removing waste products through urine, not directly transporting gases. Option C, the endocrine system, regulates hormones and does not deal with waste transport. Option D, the digestive system, is involved in processing food and eliminating solid waste, not in gas exchange or transport. Thus, the circulatory system is essential for removing gaseous metabolic waste.
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