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i) Explain how shivering helps to regulate body temperature. Shivering stops body temperature from falling when the external environment is cold (1)Shivering increases muscle contraction (1) Heat is gener...
When molecules from an area of high concentration move to a place of lower concentration, down a concentration gradient, until evenly spread
The key differences between mitosis and meiosis are:-Mitosis produces 2 daughter cells, where as meiosis produces 4 daughter cells. (1)-Mitosis produces genetical...
Adults can develop immunity to a toxin via being exposed to the toxin, whether this is by infection or vaccination. Since this toxin will be recognised as foreign by the body, this will stimulate an immun...
The blood vessels dilate and widen, which means that the blood flows closer to the surface of the skin, so more heat is able to be released, which cools the overall body temperature.
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