Pesquise no 123RF com uma imagem ao invés de texto. Arraste a imagem procurada para a área cinza
Enviar uma imagem
Arrastar imagem aqui
Imagens - Gas exchange in humans. Path of Red Blood Cells. Oxygen transport cycle. Both oxygen and carbon dioxide are transported around the body in the blood: from the lungs to the organs and again to the lungs.
Gas exchange in humans. Path of Red Blood Cells. Oxygen transport cycle. Both oxygen and carbon dioxide are transported around the body in the blood: from the lungs to the organs and again to the lungs.