Students in a biology class were asked to draw a model that represents their understanding of why mitosis occurs in eukaryotic organisms. Four student’s models are presented below, and each model is supported by the student’s explanation of their thinking. Which model best represents our current understanding of the purpose of mitosis?

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.