A comprehensive introduction to key biological concepts tested on the MCAT, focusing on cellular processes, genetics, and the integration of biological systems.
Biology plays a key role in understanding how diseases spread and how vaccines work to prevent them.
Vaccines train the immune system to recognize and fight harmful pathogens without causing illness.
Vaccination campaigns have eradicated or reduced many deadly diseases, saving millions of lives and allowing societies to thrive.
Polio has been nearly eradicated thanks to global vaccination efforts.
Flu vaccines help protect vulnerable populations during outbreaks.