________ provide information about the external environment.

The midbrain, pons, and medulla oblongata are housed in the:

Loss of muscle coordination results from damage to the:

The substance that is released at axonal endings to propagate a nervous impulse is called:

The sensory loss and muscle weakness associated with multiple sclerosis are a consequence of

Neurotransmitters ready for release are stored in synaptic

________ monitor the digestive, respiratory, cardiovascular, urinary, and reproductive systems.

Bonus Match the neurotransmitter on the left to its correct class on the right. (0.5 point each)

70. What is the angle of repose?  

57. Thermal springs known as ________ are often associated with oceanic ridges, where hot water containing dissolved minerals gushes from the seafloor.