Endocrine System Flashcards
Hormones
Chemical messages produced in endocrine glands and are transported in the blood to a target organ
Where are hormones transported in the blood to
Target organs
Endocrine glands
Ductless glands
Secrete hormones directly into the bloodstream
Exocrine glands
Release into chemicals substances into ducts to the outside of the body or onto the surface of the body
Eg of exocrine glands
Tear ducts
Pancreas is both..
An endocrine and exocrine gland
Endocrine eg
Insulin
Exocrine eg
Amylase
Method of the nervous system
Electrical (neurons)
Method of endocrine system
Chemical (proteins)
Speed of Responce of nervous system
Fast
Speed of Responce if endroit une system
Slower
Duration of Responce of nervous system
Short lived
Duration of Responce of the endocrine system
Long lasting
Puitary gland
Master gland
What does the puitary gland produce
Adh
Tsh
Adh
Stimulates water réabsorption in the kidneys
Tsh
Stimulates the thyroid gland to produce thyroxine
What the the thyroid gland produce
Thyroxine
Metabolism
Chemical processes that occur within a living organism in order to maintain life
What stimulates metabolism
Thyroxine
Where is the thyroid gland
In the neck
Thyroid gland deficiency in children
Cretinism
Cretinism
Retardes mental or physical development of a child
Thyroid deficiency in an adult
Tiredness or weight gain
Thyroid excess symptoms
Bulging eyes
Weight loss
Hunger
Solving a Thyroid deficiency
Iodine supplements
Thyroxine tablets
Parathyroid gland
Produces the parathyroid hormone
What does the parathyroid gland increase
Blood calcium levels
Cells that produce enzymes flow into..
The duodenum through the exocrine glands
Insulin
Stimulates cells to absorb glucose from blood and store is as glycogen
Deficiency of insulin
Diabetes
Adrenaline
Reduced blood flow to skin
Increases heartbeat
Oavary produces
Estrogen and progesterone
Oavaries cause
The buildup of endometrium
Testes produce
Testosterone which trigger sperm production and growth of males
Goitre
Swelling of a gland
Negative feedback mechanism
Regulatory mechanism for the level of hormones in the blood
Regulating mechanism for the level of hormones in the blood
Negative feedback mechanism
What is the tsh
Thyroid stimulating hormones
What gland produces adrenaline
Adrenal gland
What does adrenaline increase
Blood flow to heart muscles and brain
Glucose levels in the blood
What does adrenaline reduces
Blood flow to skin
What does adrenaline widen
The bronchioles
Progesterone cause a build up of
Endometrium
