Na - K pump
Na+
Na+/ K+ pumps
Nasal cavity
Nephron
Nerve impulse
Net filtration pressure
Neuromuscular junction
Neurotransmitter
Nicotine
Nicotinic receptor (nACh)
nm or nanometer
Nodal cell
Nodes of Ranvier
Nonelectrolytes
Norepinephrine (NE)
Nucleus