What is neurotransmitter that when excess or in minimal secretion produces behavior maladjustment?
The pineal gland in the brain produces serotonin, a neurotransmitter that is involved in regulating mood, behavior, and sleep.
adenosine
Acetylcholine
The stomach.
Gland
Parotid Gland
The sebaceous gland produces an oily secretion called sebum, which can accumulate in the pores and mix with dead skin cells to form blackheads.
Positive feedback
seminal gland (seminal vesicle)
Sebaceous glands produce an oily secretion called sebum, which helps to keep the skin and hair lubricated and moisturized.
Apocrine-Sweat glands
sweat gland - eccrine