Zusammenfassung der Ressource
Biology: hormones and homeostasis
- hormones
- testosterone
- testes
- controls male puberty,
development of sperm
- oestrogen
- ovaries
- controls female puberty,
controls menstrual cycle
- insulin
- pancreas
- controls blood sugar levels
- keeps it down
- adrenaline
- adrenal glands
- controls body for action
- skin gets pale
- rapid breath and heart rate
- increase in energy
- o2 and glucose intake increases and it it
diverted to muscles
- blood diverted
from digestive
system
- glycogen in muscles are
converted to glucose
- chemical messengers produced by
endocrine glnds
- transported via blood to target organs
- homeostasis
- maintenance of constant internal environment
- glucose, water and temperature must be
kept the same
- normal blood glucose
- eat meal
- pancreas releases insulin
- glucose regulation, liver converts
glucose to glycogen
- normal blood glucose
- exercise
- pancreas releases glycogen
- liver converts glycogen to glucose
- normal blood glucose
- negative feedback