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Describe The Journey Of The Components Of The Blood From The Bone Marrow To Their Final Resting Place.
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Sheena Shah Describe The Journey Of The Components Of The Blood From The Bone Marrow To Their Final Resting Place. The heart is the organ that pumps blood around the body and never stops beating. Blood has four main components, red blood cells, white blood cells, platlets and plasma, which travel around the body. Blood cells originate from the stem cells in the bone marrow found in cavities within the flat bones such as the ribs and breastbone, by the process of haemopoieses. It then produces the lymphocytes, platlets and leucocytes. Blood travels through the body in double circulation. The first part is pulmonary circulation, where it flows from the heart to the lungs. The second part is called systemic circulation, where blood flows from the heart to the rest of the body. The heart has four chambers. The right hand side of the heart receives deoxygenated blood from the body and pumps...
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