Define a system. What are the types of a system?

What are the two types of nervous system cells?

Name the two types of skeletal system .

Define Haversian system.

Express the change in internal energy of a system when (i) No heat is absorbed by the system from the surroundings, but work (w) is done on the system. What type of wall does the system have ? ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have? (iii) w amount of work is done by the system and q amount of heat is supplied to the system. What type of system would it be?

Which of the following can be used to define the state of a system?

If W is the amount of work done by the system and q is the amount of heat supplied to the system, identify the type of the system