1. Compare specific and nonspecific immune
responses.

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Describe the layers of the suns atmosphere?