Besides C. Inaequalis, many other ground nesting native bees can be found in your backyard. For example, species of the bee genera Agapostemon, Andrena, Halictus and Lasioglossum are also very abundant in North America (photo 4 - 6).
Heart, blood and blood vessels are the three crucial components of the circulatory system. The major function of this organ system is to carry oxygen and nutrients to every cell and tissue of the body.o successfully perform these functions, the circulatory system has to work in close association with every other organ system of the body. Given below is a detailed account of the functions performed by each component of the circulatory system.
Blood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients and helps dispose of metabolic wastes. The heart pumps the blood around the blood vessels.Functions of blood and circulation: 1  Circulates OXYGEN and removes Carbon Dioxide. 2  Provides cells with NUTRIENTS. 3  Removes the waste products of metabolism to the excretory organs for disposal. 4  Protects the body against disease and infection.lood circulates through a network of vessels throughout the body to provide individual cells with oxygen and nutrients and helps dispose of metabolic wastes. The heart pumps the blood around the blood vessels.