hormones Flashcards
what are hormones
chemical messengers
what is an endocrine gland
an organ that releases hormones into the blood
What is the pituitary gland
a organ in the brain that releases growth hormones
What is the thyroid gland
the organ found near the throat that releases thyroxine
adrenal gland
the organ found ontop of the kidney and they release adrenaline
ovaries
organs that release oestrogen
testes
organs that release testosterone
pancreas
an organ that release insulin and glucagon
target organ
the organ that is affected by a hormone
metabolic rate
the rate at which the energy stored in your food is transferred by all reactions that take place in your body to keep you alive
What is the purpose of insulin
Removes glucose from blood stream by stimulating the liver to turn glucose into glycogen
What is the purpose of Glucagon
Causes the liver and muscles to turn glycogen back into glucose which can then be used in cell respiration
how does adrenaline help with fight of flight?
activates processes that increase supply of oxygen and glucose to cells
What is one way an egg cell is specialised
The egg cell’s cytoplasm contains nutrients for the growth of the early embryo.
