CYOKININS is the correct option. Cytokinins is one of the types of plant hormones and it is usually produced in the root apical meristem, that is, at the very tip of the root. The hormone delays aging in plants and it also involve in repair of wounded plant parts.
homeostasis, that is what i think at least
TRUE, back then medications were not as advanced as they are today and a simple flu could be life threatening