Answer :
Final answer:
Blood serves crucial functions in the body, including transport, defense, and maintenance of homeostasis.
Explanation:
Blood serves three major functions in the body:
- Transport: It carries oxygen, nutrients, wastes, hormones, heat, and ions throughout the body.
- Defense: Blood helps protect the body against infections and foreign materials through the actions of white blood cells.
- Maintenance of Homeostasis: Blood helps regulate body temperature, pH balance, and other essential functions to maintain internal stability.
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