Topic 8 : The Endocrine System Flashcards
(49 cards)
What is the endocrine system composed of
Glands which secrete hormones directly into the blood stream
What are hormones
Organic compounds which have specific effects on the body
The endocrine system helps to regulate what in the body
Mood, growth and development, tissue function, metabolism, as well as sexual function and reproductive processes
The endocrine system is composed of what glands
Endocrine
What do endocrine glands do
Secrete hormones directly into the blood stream
What is the endocrine system composed of
It’s composed of glands, which secrete hormones directly into the blood stream
What are hormones
They are organic compounds which have specific effects on the body
What is the endocrine system instrumental in
Regulating mood, growth and development, tissue function, and metabolism, as well as sexual function and reproductive processes
The endocrine system is in charge of what
Body processes that happen slowly, such as cell growth
What does the nervous system monitor
Faster processes like breathing and body movement
Even though the nervous system and endocrine system are separate systems they still what
Often work together to hep the body function work properly
What are the foundations of the endocrine system
Hormones and glands
What are the body’s chemical messengers that transfer information and instructions from one set of cells to another
Hormones
Although many different hormones circulate throughout the bloodstream what cells are programmed to receive and respond to their messages
Only the cells that are genetically programmed to
What factors can influence hormone levels
Stress, infection, and changes in the balance of fluid and minerals in blood
A gland is a group of cells that do what
Produce and secrete, or gives off, chemicals
A gland selects and removes materials from the blood and does what to them
Processes them, and secretes the finished chemical product for use somewhere in the body
Glands release their secretions in specific areas ie sweat and salivary glands, which release secretions in the skin or inside of the mouth. These are part of what type of glands
Exocrine glands
Endocrine glands release more than 20 what
hormones directly into the bloodstream where they can be transported to cells in other parts of the body
What are the major glands that make up the human endocrine system
Hypothalamus
Pituitary
Thyroid
Parathyroids
Adrenal
Pineal body
Reproductive glands (ovaries and testes
The pancreas is part of the endocrine system but is also associated with what other system
The digestive system because it also produces and secretes digestive enzymes
What are some non-endocrine organs that also produce and secrete hormones
Brain
Heart
Lungs
Kidneys
Liver
Thymus
Skin
Placenta
There is a collection of specialised cells that is located in the lower central part of the brain which is the primary link between the endocrine and nervous system, what is this called
Hypothalamus
Nerve cells in the hypothalamus control the pituitary gland by producing what
Chemicals that either stimulate or suppress hormone secretions from the pituitary