List the functions of blood.

Blood functions:
• Respiratory (transfer of oxygen from the respiratory system to tissues, transfer of carbon dioxide from cells to the respiratory system);
• Trophic (transfer of nutrients from the digestive system to tissues);
• Protective (the ability of blood to clot and the formation of antibodies);
• Regulatory (transfer of hormones and biologically active substances from endocrine glands to tissues);
• Homeostatic (the ability of the blood to maintain the constancy of the internal environment).



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