Homeostasis defintions

Deliberately refraining from sexual intercourse

A hormone that is produced by the adrenal glands in response to fear or stress which increases the heart rate and boosts the delivery of blood to the brain and muscles as part of the 'fight or flight' response

Methods used to prevent pregnancy

Areas of the body like the brain, spinal cord and pancreas that receive and process information from the receptors

Muscles or glands which bring about responses which restore optimum levels.

A female reproductive hormone that causes the maturation of the egg in the ovary

A group of cells that secrete chemicals called hormones directly into the bloodstream

A group of cells that secrete chemicals called hormones directly into the bloodstream

A hormone produced by the pancreas that causes gylcogen to be converted into glucose and released into the blood

The regulation of the internal conditions of a cell or organis, to maintain optimum conditions for function in respone to internal and external changes.

Fertilising a woman's egg using sperm outside of the body

A female reproductive hormone that stimulates the release of an egg

A regulatory mechanism that reverses a change

The main female reproductive hormone which causes the uterus lining to grow and repair

Organs or cells that detect stimuli

A rapid and automatic response to a stimulis

Reabsorbing certain useful molecules (like glucose,some ions and water) back into the blood after they have been filtered out.

Changes in the environment

The organ which a hormone acts on to produce an effect

• The main male reproductive hormone produced by the testes and it stimulates sperm production

The brain and the spinal cord which coordinates the response of effectors

A hormone produced by the thyroid gland that increases the metabloic rate in the body.

A hormone produced by the thyroid gland that increases the metabloic rate in the body.

A disorder in which the pancreas fails to produce sufficient insulin which is characterised by uncontrolled high blood glucose levels

A disorder where the body cells no longer respond to insulin produced by the pancreas