Melatonin is produced by what type of cell?

Name a function of parathyroid hormone.

Identify the part of the conduction system “A”

Name a function of follicle stimulating hormone

Name the function of cell “D”

Name a function of norepinephrine

Identify the specific chamber “B”

Identify “C”

Name one hormone made by “B”

Identify the subordinate clause in the following sentence. “Gerald broke his arm when he fell on the icy sidewalk.”