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.
What does your circulatory system do? Your circulatory system pumps your blood though out your whole body. Your heart, your lungs, and your blood vessels work together to form the circle part of the circulatory system. Your heart is beating all the time. When your heart beats it pumps blood, the blood goes through tubes that go all around your body and comes back to your heart. The circulatory system is made up of the vessels and the muscles that help and control the flow of the blood around the body. This process is called circulation. The main parts of the system are the heart, arteries,