<h2><em><u>Credit for developing cell theory is usually given to two scientists: Theodor Schwann and Matthias Jakob Schleiden. They elucidate the principle that plants and animals are made of cells, concluding that cells are a common unit of structure and development, and thus founding the cell theory.</u></em></h2>
Protagonistsa es el personaje principal, con el que nuestro publico debe empatizar y el antagonista representa la fuerza opuesta que le impide alcanzar al objectivo
