Homeostasis, endocrine system Flashcards
What are:
Hormones
- Chemical messengers, which co-ordinate systems
- Cause long-term changes
- Travel in blood and secreted in glands
What are the differences between
Endocrine and nervous system
Nervous Endocrine
Uses impulses that travel along neurones Uses hormones secreted by glands which travel in the blood
Electrical Chemical
Control reactions to body surroundings Controls processes inside the body
Short term effects Long term effects
What is the function of:
Testosterone
Controls development of masculine secondary characteristics
What is the function of:
Oestrogen
Development of female secondary characterstics
Secreted in the ovaries
What is the function of:
Insulin, glucagon
Insulin - lowers blood glucose
Glugagon - raises blood glucose
Secreted in Pancreas
What is the function of:
Thyroxin
Controls the body’s metabolic rate
secreted in thyroid gland
What is the function of:
Growth hormone
secreted in Pituatary gland
speeds up the rate of growth
What is the function of:
Anti-diuretic hormone
Secreted in pituitary gland
Controls the water content of the blood
Where is:
Adrenaline secreted
Adrenal gland
What is the function of:
FSH
Follice stimulating horone - s testerone production for males and egg maturation for females
Secreted in Pituitary gland
