Human blood is a specialized connective tissue that performs life-saving functions such as transporting oxygen and nutrients, defending against infections, regulating body temperature and pH, and preventing blood loss through clotting. From plasma to RBCs, WBCs, and platelets, each component plays a crucial role in maintaining homeostasis and survival—making blood the body’s ultimate life-support system. 👉 Keep following for more valuable science content. #HumanBlood #BiologyNotes #BloodCompone