Select the answer that depicts the correct order of the brachial plexuses nerve structures as they exit the cervical spine into the major nerve network of the upper limb. 

Which nerve bifurcates into the tibial and common fibular nerve in the posterior leg? 

The knee and elbow have an anastomosis surrounding them. In what joint

position is this type of circulation most valuable?

The conus medullaris is inferior to the cauda equina. 

Name one accessory muscle of breathing.

The limbic system is involved with emotions.

The large intestine plays a role in the immune system.