ACh

acetylcholine

ADH

antidiuretic hormone

ANS

autonomic nervous system

ATP

adenosine triphosphate

AMP

adenosine monophosphate

cAMP

cyclic adenosine monophosphate

CO2

carbon dioxide

DNA

deoxyribonucleic acid

ECG/EKG

electrocardiogram

FAD

flavin adenine dinucleotide

FADH2

reduced flavin adenine dinucleotide

GMP

guanosine monophosphate

cGMP

cyclic guanosine monophosphate

H+

hydrogen ion (acid)

H2CO3

carbonic acid

HCO3-

bicarbonate ion

H2O2

hydrogen peroxide

HCl

hydrochloric acid

HDL

high-density lipoprotein

HR

heart rate

Kg

kilogram

L

liter

LDL

low-density lipoprotein

mOsm

milliosmole

mV

millivolt

Na+

sodium ion

NaCl

sodium chloride

NAD+

nicotinamide adenine dinucleotide

NADH

reduced nicotinamide adenine dinucleotide

NH3

ammonia

NH4

ammonium

NO

nitric oxide

O2

oxygen

OH-

hydroxide

Pi

inorganic phosphate