Freebase. Maasai people. The Maasai are a Nilotic ethnic group of semi-nomadic people inhabiting southern Kenya and northern Tanzania. They are among the best known local populations due to their residence near the many game parks of the African Great Lakes, and their distinctive customs and dress. The Maasai speak Maa, a member of the Nilo-Saharan language family that is related to Dinka and Nuer.
Path of a Red Blood Cell. The circulatory system consisting of the heart, arteries, capillaries, and veins, is the pumping mechanism that transports blood throughout the body.In the heart, the left ventricle contracts, pushing red blood cells into the aorta, the body's largest artery.rom here, blood moves through a series of increasingly smaller arteries, until it reaches a capillary, the junction between arteries and veins. Here oxygen molecules detach from the red blood cells and slip across the capillary wall into body tissue.
The main function of the circulatory system is to get blood throught the body. Your blood is pumped around by the heart which is the main function in your circulatory system. The heart sends blood through your blood vessels.The circulatory system consists of the heart, blood vessels, lymph, blood, and the lymphatic vessels and glands. Transport gases, like oxygen from the lungs to cells around the body and carbon dioxide from the cells to the lungs. 2  Transport nutrients like glucose. 3  Transport wastes from cells to organs that play the role of eliminating them. 4  It contains cells that fight infections and defend against foreign bodies.