Using graphics in my lectures brings the subject matter alive. A study noted the use of graphics was helpful for online learners to visualize the complexity of a given topic that would have been otherwise more difficult to put the graphical concept into words (Longmuir, 2014).
Reference
Longumuir, K. J. (2014). Interactive computer-assisted instruction in acid-base physiology for mobile computer platforms.
Adv Physiol Educ. 38(1):34-41. doi: 10.1152/advan.00083.2013.
