11792115
Description
Mind Map by chlor houghton, updated more than 1 year ago
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Created by chlor houghton
over 6 years ago
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Homeostasis and response: The regulation of conditions inside your body to maintain a stable internal environment in response to changes in both internal and external conditions
- Comparison
- Hormones
- Act in general way
- Act for long time
- Slower
- Act in general way
- Nerves:
- Fast
- Act for short time
- Act on precise area
- Fast
- Hormones
- Comparison
- Nerves:
- Act on precise area
- Act for short time
- Fast
- Act on precise area
- Hormones
- Slower
- Act for long time
- Act in general way
- Slower
- Nerves:
- The endocrine system
- Pancreas
- Insulin
- Regulates blood glucose level
- Regulates blood glucose level
- Insulin
- Ovaries
- Oestrogen
- Menstrual cycle
- Menstrual cycle
- Oestrogen
- Testes
- Testosterone
- Controls puberty
- Sperm production
- Sperm production
- Controls puberty
- Testosterone
- Adrenal gland
- Adrenaline
- Fight or flight response
- Fight or flight response
- Adrenaline
- Thyroid gland
- thyroxine
- Regulates rate of metabolism
- Heart rate
- Temperature
- Temperature
- Heart rate
- Regulates rate of metabolism
- thyroxine
- Pituitary gland
- Produces many hormones
- Hormones produce act on other glands
- Direct them to release hormones to bring about change
- Direct them to release hormones to bring about change
- Hormones produce act on other glands
- Produces many hormones
- Uses hormones
- Chemical molecules released directly into blood
- Produced by glands
- Long lasting effects
- Long lasting effects
- Only affect particular cells
- Produced by glands
- Chemical molecules released directly into blood
- Pancreas
- Nervous system
- Reflexes
- Reflex arc
- Measuring reaction time
- Speed up:
- Caffeine
- Control variables
- Same person
- Same hand
- Same hand
- Same height
- No caffeine
- Same person
- Control variables
- Caffeine
- Speed up:
- Passes through CNS
- Measuring reaction time
- Help prevent injury
- Rapid, automatic responses
- Rapid, automatic responses
- Reflex arc
- CNS
- Brain + spinal cord
- Connected by sensory and motor neurones
- Motor neurones: carries impulses from CNS to effectors
- Sensory neurones: carry impulses from receptors to CNS
- Synapses: connection between 2 neurones
- Transferred by chemicals
- Diffuse across gap
- Set of new electrical signals in the next neurone
- Set of new electrical signals in the next neurone
- Diffuse across gap
- Transferred by chemicals
- Synapses: connection between 2 neurones
- Motor neurones: carries impulses from CNS to effectors
- Connected by sensory and motor neurones
- Brain + spinal cord
- Reflexes
- Cells need right conditions
- Enzyme action
- 3 main components-
- Effectors
- Carry out the response which counteracts the change
- Muscles and glands
- Glands secrete hormones
- Muscles contract
- Glands secrete hormones
- Muscles and glands
- Carry out the response which counteracts the change
- Coordination cdntres
- Receives and processes the information and organises a response
- Brain, spinal cord and pamcreas
- Brain, spinal cord and pamcreas
- Receives and processes the information and organises a response
- Receptors
- Detects stimulus
- E.g light receptors in eyes
- E.g light receptors in eyes
- Detects stimulus
- Effectors
- 3 main components-
- Enzyme action
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