Razi, S., Perveen, D.I., Sabahat, S., Nazir, S., Qasim, A. and Najma Naeem , H. 2022. Covid-19 And Human Physiological Systems-A Review Based Study: COVID-19 AND HUMAN PHYSIOLOGICAL SYSTEMS. Life Science Journal of Pakistan. 4, 1 (Mar. 2022), 33-44.