The adrenal glands are endocrine glands that produce essential hormones that are necessary for body processes.
The hormone adrenaline is also known as the "fight or flight" hormone.
The human body has two adrenal glands: the right is pyramidal in structure, while the left is semilunar in shape, and the left is also slightly larger than the right.
The adrenal gland's role is to:
The adrenal glands release stress chemicals, which stimulate the flight or fight reaction.