1. When during pregnancy do the major organs of the body develop? 2. What are the functions of the skeleton? 3. How does a signal from a motor neuron result in the contraction of a muscle? 4. At what...

1. When during pregnancy do the major organs of the body develop?

2. What are the functions of the skeleton?

3. How does a signal from a motor neuron result in the contraction of a muscle?

4. At what point in the process of muscle contraction is ATP required?