No other world (3, 14)

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Across
  1. 2. The UN agency responsible for international public health.
  2. 5. The absence of illness, injury, or disease.
  3. 7. The practice of taking care of on one's physical or mental health.
  4. 8. The largest ocean on Earth.
  5. 9. The phenomenon of excessive growth of algae in water bodies.
Down
  1. 1. A marine mammal known for its intelligence and friendly behavior.
  2. 3. A viral disease that can cause severe illness or death, especially in older adults.
  3. 4. These ecosystems provide habitats for diverse marine species.
  4. 6. The process of providing medical care to someone.
  5. 7. A UN initiative aimed at improving maternal and child health worldwide.