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

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