This system provides protection water retention thermoregulation and vitamin D

This system provides protection water retention

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23. This system provides protection, water retention, thermoregulation, and vitamin D production. A. lymphatic systemB. muscular systemC. skeletal systemD.integumentary systemE. excretory system24. The thymus, spleen and tonsils are principal organs of this system. 25. These two systems control and coordinate the 50 trillion cells in a human. 26. This system stores 99% of your calcium and is critical for blood cell formation. 27. The system that exchanges carbon dioxide and oxygen and helps in speech is the _____ system, whereas the system that transports oxygen and carbon dioxide is the ______ system. A. respiratory; urinaryB. circulatory; digestiveC. respiratory; digestiveD. circulatory; urinaryE.respiratory; circulatory28. This system breaks down food and absorbs nutrients. Atlas A-5
29. This system regulates blood volume and pressure, stimulates red blood cell formation, andcontrols fluid, electrolyte, and acid-base balance. 30. The image of a typical chest X-ray shows a _____ view of the thoracic region.

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