Do the blank one for me

The body is protected against harmful flu viruses by

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

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.