cholecystokinin (CCK)
Prostaglandin
"Cholecyst" means "gallbladder," so cholecystiasis is a disease having to do with the gallbladder. Specifically, it is inflammation of the gallbladder.
There is no contraction. The contraction we're means "we are."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
There is no contraction of we'll. It is a contraction, meaning "we will."
cholecystokinin is the hormone
Bilirubin is used by the liver, to make bile
heart contraction
Prostaglandin
Oxytocin
Contraction of the gallbladder wall
His bundle? or the Purkinje fibers?
Depolarization
acetylcholine (ACh)
Cholecystokinin
depolarisation
Oxytocin.