Certified Nursing Assistant (CNA) Practice Exam 2026 - Free CNA Practice Questions and Study Guide

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What does the skeletal system do?

It acts as a storage site for calcium

The skeletal system plays a crucial role in the overall functioning of the body, one of its key functions being the storage of minerals, particularly calcium. Calcium is vital for various bodily functions, including muscle contraction and nerve signaling. The bones store this calcium and can release it into the bloodstream as needed to maintain proper levels in the body.

While the skeletal system contributes to producing red blood cells in the bone marrow, it does not solely produce them, which is why recognizing the calcium storage function is essential. The skeletal system does not assist in digestion nor control body temperature, as those functions are managed by other systems in the body, such as the digestive and integumentary systems, respectively.

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It helps in digestion

It produces red blood cells

It controls body temperature

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