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The basic unit of genetic material inherited from our parents - it is a short section of DNA.
The body is able to utilise a number of measures in order to maintain an optimum body temperature of around 37 degrees celsius. Firstly, capillaries close to the skin surface are able to vasodilate (expan...
Stem cells are (pluripotent) undifferentiated cells that can differentiate into specialised cell types / tissues. Future medical uses involve growing organs from a patients OWN stem cells = zero chance of...
The body does this through the process of negative feedback. Thermoreceptors detect the decrease in temperature, and send a signal (via sensory neurones) to the temperature-regulating centre in hypothalam...
Osmosis can be defined as "the movement of water from an area of high water concentration to an area of low water concentration across a selectively permeable membrane". What this means, is that...
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