Hormonal

Endocrine

Pineal gland

Pitutary gland

Hypothalumus

Thyroid

Parathyroid

Thymus

Pancreas

Adrenal

Testicles

Ovary

Placenta - only during pregnancy

Plants

Mater gland

located at base of brai, pea size

secrete growth hormone

Under secretion - Dwarfis,

Over secretion - Gigantism(child), Acromegaly(adults)

butterfly shaped

secrete thyroxine - regulate body metabolism

calcitonic - bones and kidney

in heart, liver, kidney, muscles

iodine required to synthesize thyroxine

iodine deficiency - undersecretion of thyroxine - cause goitre

leaf like glalnd behind stomach

both endo and exo

Endo - manufacture insulin and glucagon

Exo - secrete enzyme to break down protien, lipids and carbohydrates

above both kidney

decrease in size with age

scerete adrenakine and nor adrenline

secrete Glucocorticoids - for carbohydrate, fat and protien

secrete mineral corticoids - Na,K metabolism and water absorb

sec corticoids - exrernal sex characters

regulate sleeping pattern

testosterone

estrogen adn prohesterone

Movement

Hormones

Nastic

Tropic movements

Growth

Stop growth

Auxin - cell elongation

Cytokinen - root cell elongation

Gibberelin - seed germination

Abscisic - seed dormancy

Ethylene - ripening and ageing of seed

non - driectional

mimosa pudica - higmonastic movement

Geptropism

Hydrotropism

Phototropism

Chemotropism