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The hormones produced by the endocrine glands are secreted directly into the bloodstream. The circulatory system then distributes these chemical messengers to target tissues throughout the body.
Endocrine glands secrete chemical messengers called hormones. These chemicals are secreted directly into the bloodstream, where they are carried by the circulatory system to target tissues throughout the body.
Endocrine glands secrete chemical messengers called hormones. These chemicals are secreted directly into the bloodstream, where they are carried by the circulatory system to target tissues throughout the body.
Hormones are chemical messengers. They travel in your bloodstream to tissues and organs. They affect many different processes, including growth, development, metabolism, and reproduction. They are secreted directly into your bloodstream by endocrine glands, such as the pituitary, adrenal glands, pancreas, ovaries, and testes.
Histamine
The chemicals secreted by the endocrine system are known as hormones. These chemical messengers are carried by the circulatory system to their target tissues.
Hormones are chemical messengers that are secreted directly into the blood.
Hormones are chemical messengers that are secreted by the endocrine glands into the blood. Hormones are transported via the bloodstream to reach specific cells, called target cells, in other tissues. They produce a specific effect on the activity of cells that are remotely located from their point of origin.
leptin
Hormones are chemical substances secreted by endocrine glands
Chemical digestion in humans requires enzymes to be secreted into the gastrointestinal tract. These enzymes are produced by the pancreas and stomach, among other organs.
An antidiuretic hormone is a hormone secreted by the posterior pituitary gland.