Human Endocrine System (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Function of endocrine system
Function of endocrine system
Sends hormones (chemical messengers) around body
Hormones definition
Hormones definition
Chemical messengers
How glands secrete hormones
How glands secrete hormones
Directly into the bloodstream
Pituitary gland nickname
Pituitary gland nickname
Master gland
Hormone secreted by pancreas
Hormone secreted by pancreas
Insulin
Function of pancreas
Function of pancreas
Controls blood glucose levels
Hormone secreted by thyroid
Hormone secreted by thyroid
Thyroxine
Functions of thyroid hormone
Functions of thyroid hormone
Controls metabolic rate, heart rate & temperature
Hormone secreted by adrenal gland
Hormone secreted by adrenal gland
Adrenaline
Function of adrenal gland
Function of adrenal gland
'Fight or flight' response to stress
Hormone secreted by ovary
Hormone secreted by ovary
Oestrogen
Functions of oestrogen
Functions of oestrogen
Menstrual cycle & female secondary sexual characteristics
Hormone secreted by testes
Hormone secreted by testes
Testosterone
Functions of testosterone
Functions of testosterone
Sperm production & male secondary sexual characteristics
Hormonal vs nervous system speed & duration
Hormonal vs nervous system speed & duration
Much slower but acts for longer