Influenza virus can remain infective for how many hours once outside the body

surfaces for up to 48 hours, on clothing for 24 hours, and on hands for 12 hours

Once outside the body, the Influenza Virus can only live for approximately 24 hours.

the sea slugs belong to the same class

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .