B3 Flashcards
How are signals transmitted?
Stimulus-receptor cells- sensory neurone- spinal cord- brain- spinal cors- motor neurone- effector-response
How does the reflex arc work?
Stimulus-receptors-sensory neurone-spinal cord-motor neurone-effector-response
What does the cerebrum control?
Complex behaviour such as learning, personality and complex thought
What does the cerebellum control?
Posture, balance and involuntary movements
What does the medulla control?
Automatic actions
What does the hypothalamus control?
Regulates temperature and water balance
What does the pituitary gland control?
Hormone storage and release
What does thyroxine control?
Body’s metabolic rate
What does FSH do?
- produced in the pituitary gland
- egg matures
- stimulates O
What does Oestrogen do?
- comes from ovaries
- thickens uterus lining
- stimulates LH and stops FSH
What does LH do?
- ovulation
What does progesterone do?
- maintains lining through pregnancy
- inhibits LH