Adrenocorticotropic hormone is produced by what type of cell…

Name the function of cell “B”

Identify the layer of the heart”E”

Progesterone is produced by what type of cell?

Identify the layer of the heart”D”

Identify the part of the conduction system “B”

Identify the layer “C”

Name a function of oxytocin

Identify the gland (blue star).

Melatonin is produced by what type of cell?