Put a (/) if the sentence explains how the nervous system work with the musculo
skeletal, digestive, respiratory or circulatory systems of the body and ( X) if not.

1. The brain helps monitor respiratory volume and blood gas level especially
when you do strenuous activities. / or x

2. The nerves work with muscles connected to hair follicles. / or x

3. The nerves protect the body against microorganisms. / or x

4. The brain works with the contraction of skeletal muscles as you move your
body. / or x

5. The spinnl cord allows the digestive system to regulate heart rate. / or x​