The afferent division of the nervous system is also known as the _____ division. 

Cerebral nuclei are regions of grey matter (clusters of cell bodies) found superficial   in the cerebrum    

CN VIII   aka _______________ Nerve: senses of hearing and equilibrium 

Tight junctions are tiny, fluid-filled tunnels which allow flow of ions between cells in cardiac muscle.

Sodium ions are found in the extracellular fluid and the potassium ions are found in the intracellular fluids  

Reflexes: involuntary response, always the same, is rapid, with no awareness of the reflex before it happens. 

Where are synaptic knobs located? 

Gyri = depressions between ridges and Sulci = ridges   

Of the four stages in cellular respiration, which involves the transfer of electrons from NADH and FADH2 to make ATP?

The presence of mitochondria facilitate aerobic respiration in muscle cells