Heart
About Human Heart: A well developed specialized system to transport nutrients,gases and hormones within the body.' This system is known as circulatory system,namely blood , blood vessels and heart. Blood is a fluid connective tissue. Blood circulates and transport essential substances such as oxygen and nutrients to the cells all over the body. It composed of plasma and blood cells.There are three type of blood cells or corpuscles. They are red blood cells(RBCs) or erythrocytes,white blood cells (WBCs)or leukocytes, and blood platelets or thrombocytes. Diagram of Heart. The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system . [1] Blood provides the body with oxygen and nutrients , as well as assisting in the removal of metabol...
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