Category Archives: Uncategorized

H6 Gas exchange

You need to get your head around this.  Gas Exchange     The effect of exercise on heart and lungs    And here’s a great presentation to help. Define partial pressure. Explain the oxygen dissociation curves of adult hemoglobin, fetal hemoglobin and myoglobin. … Continue reading

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H5 Transport system

Take another look at your notes on blood, blood vessels and the heart from topic 6.  Re-learn your heart diagram.  There is some new vocab to get your head around in this section.  I have highlighted these terms below.  Use … Continue reading

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H4 – Functions of the liver

Here are a couple of presentations for you. Functions of the liver  and this one.  You should be able to: Outline the circulation of blood through liver tissue, including the hepatic artery, hepatic portal vein, sinusoids and hepatic vein. Explain the role … Continue reading

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Digestion and absorption – OPTION H

H2 – digestion.  We’ve done the basics, and because you ask good questions, we’ve gone further, so much of this you will have some idea about already.  You have the background, now we need to fill in the details.  Click here. … Continue reading

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Option H – Hormonal control

As we delve into Option H, we’ll be reviewing human biology concepts at the same time.  This first section is about hormonal control.  Hormones are chemical messengers secreted by endocrine glands into the blood and transported to specific target cells.  They can … Continue reading

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E6 Further studies of behaviour

Here’s what we need to cover in this last section of Option E. Honey bees are social organisms.  Describe the organization of a bee colony – who does what.  Find one other example of such social organization and describe it. What … Continue reading

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E5 The human brain

Here is a useful presentation we will use in class. Label a diagram of the brain.  Annotate the diagram to include functions of the parts. Explain how animal experiments, lesions and FMRI scanning can be used to identify the brain part involved in specific functions. Explain sympathetic and parasympathetic control of heart rate, … Continue reading

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E4 Neurotransmitters and synapses

Here are the big questions for us to tackle in this section: How does decision-making occur in the CNS? How do psychoactive drugs affect the brain and personality? What the physiological effects of THC and cocaine? What are the causes … Continue reading

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Innate vs learned behaviour

Can you distinguish between innate and learned behaviour? What are some examples of behaviour in living organisms that are innate or learned? What is taxis and what is kinesis when referring to types of behaviour? You are then going to do a lab (yay!) where you design an experiment to … Continue reading

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How we see, how we hear

We’ll start by looking at the different kinds of receptors that humans have, then focus on the photoreceptors in the eye and mechanoreceptors in the ear.  Useful presentation by Mr Taylor (again!). You need to be able to label a diagram of the … Continue reading

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