In addition to endocrine glands, some organs whose functions are primarily nonendocrine also produce hormones. these endocrine tissues include ________ and ________. in addition to endocrine glands, some organs whose functions are primarily nonendocrine also produce hormones. these endocrine tissues include ________ and ________. parathyroids and skin gastrointestinal tract and adrenals adipose tissue and sweat glands heart and kidneys