The pineal gland is an endocrine gland, like the pituitary gland, thyroid gland, adrenal gland, and pancreas. Like other endocrine glands, it secretes a hormone -- in this case melatonin.The pineal gland was the last endocrine gland to have its function unveiled, partially because of its small size, roughly that of a pea, and its structural uniformity.he pineal gland is located near the center of the brain. Shamans have claimed that the pineal gland is a connection between the earthly realm and a spirit world. Endocrine glands include the adrenal gland. The pineal gland secretes melatonin, which promotes sleep.
The figure is an edge view of three charged metal electrodes: 1. Draw a graph of versus over the region. Hint: Assume that at. [along the y-axis, it's V(kV). along the x-axis it's x(cm).
A) The glass electrode detects hydrogen gas. B) The glass of a glass electrode serves to conduct electrons. C) When pH is measured, only a single electrode, the glass electrode, need be used. D) The potential of the glass electrode varies linearly with the pH of the solution. E) None of the above statements is correct.