Homeostasis - The Endocrine System Flashcards
What is the endocrine system?
where the body is controlled by hormones. It contains glands that secrete hormones directly into the bloodstream. the blood carries these hormones around the body where each hormone only acts on specific target organs to produce an effect
Comparison between Nervous sytem and Endocrine system
Nervous sytem:
- uses electrical impulses which travel down neurones
- acts fast but effect short lived
Endocrine system:
- uses hormones that are carried in the bloodstream
- much slower rate but effect is long lasting
what does the pancreas release?
hormones which are involved in controlling concentration of glucose in blood
what do ovaries and testes release?
hormones involved in puberty and reproduction
what does the thyroid gland release?
(found in bottom of neck)
hormones involved in growth and regulating body’s basal metabolic rate (rate of reactions)
what does the adrenal gland release?
hormone adrenaline which is produced in times of fear or stress
what does the pituitary gland release?
(found in brain)
it is known as master gland as is released a number of hormones into the bloodstream depending on the conditions. pituitary hormones act on other glands and cause other hormones to be released
what does it mean by the pituitary gland acting on other glands?
the pituitary hormones can trigger a range of different effects in the body