Digestive system Article 1 Coronavirus 1 Coronaviruses 1 Ecological environments 1 Environment monitoring 1 Food-safety 1 Halomonas 1 Hard work 1 Immune response 1 Immune system 1 Light 1 Microbiota 1 Molt 1 Molting 1 Mud crab 1 Navigation and positioning 1 Optical- 1 Scylla paramamosain 1 Shewanella 1 Social Security 1 Tera Hertz 1 Terahertz technology 1 controlled study 1 enzyme 1 enzyme activity 1 gene expression 1 hemolymph 1 hepatopancreas 1 homeostasis 1