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AQA GCSE Biology Topic 5 - Homeostasis and response

 





 Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


 • I can define the term homoeostasis 

 • I can explain the need for homoeostasis within the context of the human body, including; blood glucose, temperature and water

 • I can describe the role of receptors; the brain; the CNS; the pancreas; effectors, muscles; glands in homeostasis 

 • I can describe the structure of the nervous system 

 • I can describe how the nervous system works in reacting to surroundings and coordinating behaviour 

 • I can describe the path a signal takes along the receptor via the CNS 

 • I can explain a reflex arc 

 • I can describe the function of the brain Biology only

 • I can identify the different parts of the brain  Biology only

 • I can explain the problems with investigating brain function Biology only  Higher tier only

 • I can describe how doctors can map regions of the brain Biology only Higher tier only 

 • I can describe the structure of the eye  Biology only 

 • I can explain the function of the different parts of the eye  Biology only 

 • I can describe what happens to the eye when it focuses on near or far objects  Biology only 

 • I can describe short sightedness and long sightedness  Biology only 

 • I can explain how short sightedness and long sightedness can be corrected  Biology only 

 • I can interpret ray diagrams  Biology only 

 • I can describe how the body controls internal temperature  Biology only 

 • I can explain how the body controls internal temperature  Biology only  Higher tier only 

 • I can describe the parts of the endocrine system and how they work together 

 • I can describe the importance of the pituitary gland 

 • I can identify the locations of the pituitary gland; pancreas; thyroid; adrenal gland; ovary and testes 

 • I can describe how blood glucose concentration is monitored 

 • I can explain what happens when blood glucose is too high 

 • I can describe how insulin controls blood glucose levels 

 • I can describe the cause, symptoms and treatment for type 1 diabetes 

 • I can describe the cause, symptoms and treatment for type 2 diabetes

 • I can explain what happens when blood glucose is too low  Higher tier only 

 • I can explain the negative feedback loop that controls blood glucose levels  Higher tier only 

 • I can describe the effect osmosis has on cells  Biology only

 • I can describe how water leaves and enters the body  Biology only 

 • I can describe what happens to cells if they lose or gain too much water  Biology only 

 • I can explain the need for amino acids to be excreted  Biology only  Higher tier only 

 • I can describe the function of the kidneys  Biology only 

 • I can explain the effect that ADH has on the kidneys and blood water concentration Biology only  Higher tier only

 • I can describe the treatment for kidney failure  Biology only 

 • I can describe the roles of the different hormones in the menstrual cycle 

 • I can describe the roles of the different hormones in puberty 

 • I can describe ovulation 

 • I can describe the role of testosterone 

 • I can describe the interaction between FSH, LH and oestrogen in the menstrual cycle  Higher tier only 

 • I can describe different method of contraception, including hormonal and non–hormonal methods 

 • I can explain different method of contraception, including hormonal and non–hormonal methods 

 • I can describe the need for treatment for infertility  Higher tier only

 • I can explain the process of IVF  Higher tier only 

 • I can evaluate the positive and negative effects of IVF Higher tier only 

 • I can explain the role and regulation of thyroxine in the body  Higher tier only

 • I can explain the role and regulation of adrenaline in the body  Higher tier only 

 • I can explain what happens in phototropism  Biology only 

 • I can explain what happens in gravitropism or geotropism  Biology only 

 • I can explain the role and mechanism of gibberellins  Biology only 

• I can explain the role and mechanism of ethene  Biology only 

• I can explain the role and mechanism of auxins  Biology only  Higher tier only