Conjunctiva
The conjunctiva is a mucus membrane that covers the front of the eyeball. The “white part” of your eyes.
Answer:
Addison's disease
( muscle weakness, fatigue, low blood pressure, and darkening of the skin.)
Brainliest would be appreciated :)
I think (C):600
Explained: other sources say there is about 650 but if you count the muscles within a complex muscle then about 840