A endocrine gland releases hormones in the blood and exocrine releases is products(often enzymes) in a duct.

Steroid a lipid soluble(testosterone) that binds to a receptor in the cytoplasm and promotes or inhibits transcription. Non steroid a hydrophilic(insulin) substance that binds to a cell surface receptor and activates a second messager. A cascate of intracellular reactions activates a transcription factor.

A gland that produces both steroid hormones(cortex) and non-steroid(medulla) hormones.

Pituary gland- produces griwth hormones and AD hormone to the kidney. Thyroid gland- Produces thyroxyne hormone controls the glucose use rate and growth. Adrenal gland- Produces adrenaline which increases heart and breathing rate and raises blood sugar. Testis- produces testosterone which control spearm production. Pineal Gland- produces melatonin wich affects reproductive development. Pancreas peoduce insulin and glucagon. Ovary - produces oestrogen\Progesterone wich controls obolation and pogesterone wich separates the uterus lining for receive a embryoe.

Are chemical messagers that transmit imformation for one place of the body to another.

The binding site cell where the hormone will bind.