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are here: Catalyst > Biology > Human Physiology > Control mechanisms |
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| Please choose an article |
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| Memories are made of this? |
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C Bodo,
Catalyst:
Secondary Science Review,
2010, Vol 20, Issue 4,
pages 18-20.
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| Summary:
Scientists investigate the basis of memory using lab animals; this can lead to insights into human memory, and treatments for people suffering deteriorating memory. |
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| Relevant
sub-topics:
making measurements, Biochemistry, devising theories, testing theories, Control mechanisms |
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| Keywords:
memory, hippocampus, neuron, brain, laboratory animals
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article  |
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| How science works in Africa |
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A Shaha,
Catalyst:
Secondary Science Review,
2010, Vol 20, Issue 3,
pages 7-8.
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| Summary:
Alexis Nzila is a Kenyan scientist searching for better treatments for malaria. |
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| Relevant
sub-topics:
Biochemistry, devising theories, testing theories, Control mechanisms, careers in science, Infectious diseases |
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| Keywords:
malaria, parasite, drug treatment, testing hypothesis, Africa
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article |
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| Fishing for clues |
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C Parkin,
Catalyst:
Secondary Science Review,
2009, Vol 20, Issue 2,
pages 6-8.
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| Summary:
Using zebrafish as a model for human disease |
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| Relevant
sub-topics:
Blood, circulation, heart, testing theories, Control mechanisms, Genes, DNA |
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| Keywords:
zebrafish, genetics, development, model systems
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article |
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| Body sensor networks |
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B Lo,
Catalyst:
Secondary Science Review,
2008, Vol 18, Issue 4,
pages 1-3.
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| Summary:
Tiny electronic sensors are used to monitor the movement of patients, athletes and game players. |
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| Relevant
sub-topics:
speed, velocity, acceleration, making measurements, balanced and unbalanced forces, Exercise, breathing, respiration, Control mechanisms, working together |
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| Keywords:
Sensor, Processor, Wireless communication
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article |
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| To sleep … perchance to dream |
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A Skinner,
Catalyst:
Secondary Science Review,
2008, Vol 18, Issue 4,
pages 6-8.
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| Summary:
We can study the electrical activity of the brain during slep. But why do we sleep? Nobody really knows! |
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| Relevant
sub-topics:
representing and interpreting data, Exercise, breathing, respiration, devising theories, testing theories, Control mechanisms |
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| Keywords:
Sleep, Brain activity, Scientific theory, Falsifiable
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article |
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| Probiotics, prebiotics |
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B Rastall,
Catalyst:
Secondary Science Review,
2008, Vol 18, Issue 4,
pages 19-21.
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| Summary:
The human gut hosts many microbes, mainly bacteria. What role do they play, and can we change our diet to encourage 'good bacteria'? |
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| Relevant
sub-topics:
Nutrition, diet, digestion, testing theories, Control mechanisms, Biotechnology, industrial biology, food production, regulating science, technological developments |
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| Keywords:
Digestion, Bacteria, Ecosystem, Probiotics, Prebiotics
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article |
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| Diabetes in young people |
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A Lam,
Catalyst:
Secondary Science Review,
2008, Vol 18, Issue 3,
pages 18-21.
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| Summary:
Juvenile diabetes is a genetic disease; scientists are still trying to unravel its causes in order to develop improved treatments. |
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| Relevant
sub-topics:
Blood, circulation, heart, Control mechanisms, working together, careers in science, Growth, control, hormones, Genes, DNA |
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| Keywords:
Genetic disease, Diabetes, Allele, Gene therapy
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| Download
article |
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| Eyes |
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N Collins,
Catalyst:
GCSE Science Review,
2007, Vol 17, Issue 3,
pages 1-3.
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| Summary:
We depend on our eyes to provide us with information about our surroundings. Examine the basic functioning of the eye and at what can be done to maintain function when something goes wrong. |
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| Relevant
sub-topics:
Control mechanisms |
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| Keywords:
Short sight, Long sight, Colour blindness, Parts of the eye
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article |
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| Kidneys |
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S Hepple,
Catalyst:
GCSE Science Review,
2005, Vol 16, Issue 2,
pages 6-8.
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| Summary:
Your body has to handle all sorts of variations, balancing its inputs and outputs, if it is to work efficiently. In this article we concentrate on one organ — the kidney — and the way it helps. to keep things on an even keel |
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| Relevant
sub-topics:
Structure, Control mechanisms |
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| Keywords:
Homeostasis, Hormone, Kidney tubule, Diffusion, Osmosis
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article |
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| In vitro fertilisation |
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J Taylor,
Catalyst:
GCSE Science Review,
2005, Vol 15, Issue 4,
pages 6-7.
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| Summary:
About one in six couples get help from specialists because they cannot conceive. One possibility is to use in vitro fertilisation (IVF). ‘In vitro’ means ‘in glass’ and refers to the fact that fertilisation takes place in a laboratory dish or test tube — hence the term ‘test-tube babies’. |
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| Relevant
sub-topics:
Control mechanisms, Reproduction, Genes, DNA |
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| Keywords:
Reproductive hormones, Genetics
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| Download
article |
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| Drink driving |
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H Lucas,
Catalyst:
GCSE Science Review,
2005, Vol 15, Issue 4,
pages 16-18.
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| Summary:
Stopping drink driving may sound less glamorous than identifying a murderer but as a forensic scientist weighing up the evidence from a road accident you could find the two go together. Since 1980, the government reckons it has saved at least 20,000 lives by its campaign to reduce drink driving. |
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| Relevant
sub-topics:
momentum, collisions, explosions, data and its limitations, Blood, circulation, heart, Control mechanisms |
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| Keywords:
Alcohol, Circulatory system, Liver, Nervous system
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article |
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| Oxygen supply |
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N Collins,
Catalyst:
GCSE Science Review,
2004, Vol 15, Issue 1,
pages 8-10.
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| Summary:
Oxygen is essential for most respiration, which goes on in all live cells, all living things, all the time. Look at how organisms get the oxygen they need from their surroundings and how it reaches cells. Also explore how we monitor oxygen transport, which is vitally important in medical care. |
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| Relevant
sub-topics:
Biochemistry, Blood, circulation, heart, Exercise, breathing, respiration, Control mechanisms |
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| Keywords:
Aerobic respiration, Capillary, Haemoglobin, Oxygen
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article |
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| Quick reactions |
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J Taylor,
Catalyst:
GCSE Science Review,
2004, Vol 14, Issue 4,
pages 1-3.
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| Summary:
You take pride in your quick reactions in sports or when you are playing computer games, but how do these speedy responses happen? Explore how the nervous system works, how nerve impulses pass around your body, and why these responses are so fast. |
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| Relevant
sub-topics:
Control mechanisms |
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| Keywords:
Neurone, Reflex, Synapse
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article |
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| Keeping things steady |
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N Collins,
Catalyst:
GCSE Science Review,
2004, Vol 14, Issue 3,
pages 11-12.
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| Summary:
Go for a walk on a crisp winter’s morning and the chances are that the only animals you’ll see will be mammals or birds — certainly no lizards or frogs. How is it that birds and mammals are up and about, whatever the weather? This article looks at why homeostasis matters. |
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| Relevant
sub-topics:
Structure, Biochemistry, Control mechanisms |
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| Keywords:
Homeostasis, Internal environment, Enzymes
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article |
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