Which of the following is TRUE concerning general free nerve endings?

In the picture, the arrow is pointing to which structure? spinal cord.png

Identify the structure: This picture is a close-up view of the knee joint model. The patellar ligament has been reflected down. Joints Bonus 2.png

Identify which division of the autonomic nervous system is being described.  Some answers may be used more than once or not at all.  

Norepinephrine (NE) is released from:

Which of the following structures protects the brain, but NOT the spinal cord?

The cerebrospinal fluid will move through which structure to drain into the dural venous sinuses?

Identify the muscle: Muscle 39.png

Identify the muscle: (The arrows are pointing to the same muscle in each picture) Muscle 22.1.png Muscle 22.2.png

Which meningeal layer is located closest to the brain?