4. Adrenal glands—a pair of endocrine glands, just above the kidneys. The adrenals secrete epinephrine and norepinephrine, which help to arouse the body in times of stress
5. Pituitary gland—the endocrine’s most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands
6. Pituitary gland—the endocrine’s most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands
7. Glial cells—cells in the nervous system that support, protect, and nourish neurons