New Jersey Esthetics Practice Exam 2025 – Complete Test Prep

Question: 1 / 400

What is the primary focus of the excretory system?

Transporting oxygen

Filtering blood

Removing waste

The primary focus of the excretory system is removing waste from the body. This system plays a crucial role in maintaining homeostasis by eliminating metabolic waste products, excess substances, and toxins, which are generated through cellular processes. The major organs involved, such as the kidneys, ureters, bladder, and urethra, work together to filter blood, produce urine, and excrete waste efficiently.

While filtering blood is a function of the kidneys, it serves the larger purpose of facilitating the removal of waste. In contrast, transporting oxygen is primarily the role of the respiratory system, and regulating temperature is managed by the integumentary and nervous systems. Therefore, the focus of the excretory system is specifically about waste elimination, highlighting its importance in overall bodily function and health.

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Regulating temperature

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