Homeostasis checklist
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Topic
Homeostasis: Combined Science Checklist
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4.5.1 HomeostasisDescribe what homeostasis is and why it is important stating specific examples from the human body
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Describe the common features of all control systems
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4.5.2 The human nervous systemState the function of the nervous system and name its important components
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Describe how information passes through the nervous system
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Describe what happens in a reflex action and why reflex actions are important
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Explain how features of the nervous system are adapted to their function, including a reflex arc (inc all types of neurone and the synapse)
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Required practical 6: plan and carry out an investigation into the effect of a factor on human reaction time
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Describe how body temperature is monitored and controlled
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4.5.3 Hormonal coordination in humansDescribe the endocrine system, including the location of the pituitary, pancreas, thyroid, aderenal gland, ovary and testis and the role of hormones
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State that blood glucose concentration is monitored and controlled by the pancreas
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Describe the body's response when blood glucose concentration is too high
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Explain what type 1 and type 2 diabetes are and how they are treated
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HT ONLY: Describe the body's response when blood glucose concentration is too low
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HT ONLY: Explain how glucagon interacts with insulin to control blood glucose levels in the body
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Describe how water, ions and urea are lost from the body
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Describe the consequences of losing or gaining too much water for body cells
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HT ONLY: Recall that protein digestion leads to excess amino acids inside the body and describe what happens to these
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Describe what happens at puberty in males and females, inc knowledge of reproductive hormones
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Describe the roles of the hormones involved in the menstrual cycle (FSH, LH and oestrogen)
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HT ONLY: Explain how the different hormones interact to control the menstrual cycle and ovulation
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Describe how fertility can be controlled by hormonal and non-hormonal methods of contraception (giving specific examples from the spec)
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HT ONLY: Explain how hormones are used to treat infertility, inc the steps in IVF
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HT ONLY: Evaluate the risks and benefits of fertility treatments
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HT ONLY: Describe the functions of adrenaline and thyroxine in the body, and recall where they are produced
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HT ONLY: Explain the roles of thyroxine and adrenaline in the body as negative feedback systems
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