What is a sesamoid bone that articulates with both the femur and tibia?

The part of a spinal nerve that contains only efferent fibers is the

An activity that would require anaerobic endurance is (choose all that apply):

The spinal cord passes through the

Neuroglia in the central nervous system that engage in phagocytosis are the

Cellular respiration is anaerobic.

Which of the following drugs increases synaptic conduction in turn increasing muscular activity

A homeowner was trying to push a 7.5 cm nail into a board with only 3 strikes of the hammer.  The 3rd strike missed the nail and hit his hand proximal to the knuckle under his index finger.  An x-ray reveals that he broke the bone there.  Which metacarpal did the hammer break?

Which of the following are types of cholinergic receptors?

What are receptors that monitor changes in muscle length?