Endocrine System A&P TEAS Flashcards
What is the endocrine system?
The endocrine system is composed of a network of glands that produce and secrete hormones.
What is the role of the hormones in the endocrine system?
To help regulate growth & development, metabolism, reproduction, and mood.
Pituitary Gland:
Is the master of the endocrine system and produces growth hormone, prolactin, and adrenocorticotropic hormone.
Thyroid Gland:
Produces thyroxine and calcitonin. Thyroxine helps to regulate metabolism, while Calcitonin helps to regulate calcium levels in the blood.
Parathyroid Gland:
The Parathyroid Gland produces parathyroid hormone, which helps to regulate calcium levels in the blood.
Adrenal Gland
The Adrenal Gland produces epinephrine and norepinephrine, which helps to regulate the fight-or-flight response.
Thymus Gland
The Thymus Gland produces thymosin, which helps to develop the immune system.
Pancreas
The Pancreas produces insulin and glucagon, which helps to regulate blood sugar levels.
Ovaries
The Ovaries produce estrogen and progesterone, which help to regulate the menstrual cycle.
Testes
The Testes produce testosterone, which helps to regulate the development of male reproductive organs and secondary sex characteristics.
Functions of the Endocrine system:
- Growth & Development
- Metabolism
- Reproduction
- Mood
- Growth & Development
Hormones play a role in regulating growth and development.
- Growth hormone helps stimulate cell division and bone growth.
- Metabolism
Hormones play a role in regulating metabolism.
- Ex. insulin helps regulate blood sugar levels.
- Reproduction
Hormones play a role in reproduction.
- Estrogen and progestin help regulate menstrual cycle.
- Mood
Hormones play a role in mood.
- Norepinephrine and epinephrine help regulate the fight or flight response.