Discuss how Ca2+ affects each of the body systems below

16. **EXTRA CREDIT** Several electrolytes have significant roles and/or effects in the body and have functions in multiple organ systems. One example of an electrolyte that has important roles and/or effects in every organ system within our bodies is Ca²⁺. Discuss how Ca²⁺ affects each of the body systems below:
    1. Nervous system
    2. Muscular system
    3. Skeletal system
    4. Hematological system
    5. Cardiovascular system
    6. Immune system
    7. Respiratory system
    8. Gastrointestinal system
    9. Urinary system
    10. Reproductive system
    11. Integumentary system
    12. Endocrine system
    13. Lymphatic system