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These questions should be easy mark gainers as they don't usually require a lot of prior knowledge. However, many students find that they consistently lose all their marks on these questions. With many ex...
The student should think about this in steps starting with:
1. SAN initiates the heartbeat: The sinoatrial node (SAN) initates heart contraction by sending electrical impulses acro...
A stimulus (e.g. change in temperature, pain, etc.) results in the depolarisation of the membrane of the neuronal cell body. This depolarisation causes the membrane potential to rise from resting potentia...
Heat is sensed by temperature receptors in the skin of the hand. The signal generated by the receptors in response to heat travels along a sensory neurone to the ...
Despite the fact that the stomata open in response to light, they may close on a hot day in order to conserve water. This is because the heat may cause the water to evaporate out through the stomata, caus...
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