Once the brain makes the decision to contract a muscle, it sends a(n) signal from neuron to neuron until it reaches the muscle.

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.

An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false