2. functions of the blood : transport protection regulation , hemostasis maintenance of homeostasis , buffer.

The functions of blood include:1. **Transport**: Blood carries oxygen, nutrients, and other essential substances to cells and removes waste products.2. **Protection**: Blood contains white blood cells and antibodies that help fight infections and protect the body from foreign substances.3. **Regulation**: Blood helps regulate body temperature, pH levels, and fluid balance.4. **Hemostasis**: Blood helps stop bleeding by forming clots and repairing damaged blood vessels.5. **Maintenance of homeostasis**: Blood helps maintain a stable internal environment in the body.6. **Buffer**: Blood helps maintain the pH balance in the body by neutralizing excess acids or bases.