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Discuss how your body responds to a stimuli

A stimuli is an environmental cue from either the internal environment or the external environment The stimuli is detected by receptors, which pass a signal along to the brain or spinal column through sensor...
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Answered by Eleanor F. • Biology tutor
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What adaptions can a neurone have in order impulses to be transmitted faster?

A neurones role is to transmit electrical impulses rapidly around the organisms body so that the organism can respond to changes in both their external and internal environments. Their structure consists of ...
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Answered by Brogan B. • Biology tutor
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What is the reflex arc and how does it protect us?

The reflex arc is a pathway that contorls a reflex action. Reflex actions are very fast (milliseconds fast) which can help in dangerous situations. For example, if I touch a hot pan, the reflex would be me w...
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Answered by Betsy C. • Biology tutor
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What is Mitosis? Compare to Meiosis.

Mitosis is the division of diploid (full set of 46 chromosomes) cells, to form two diploid daughter cells with an identical nature to their parent cells. This occurs throughout the body during cell replaceme...
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Answered by Benn C. • Biology tutor
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What variables affect the rate of diffusion?

There are five main features that effect the rate of diffusion: The rate of diffusion INCREASES if there is a short diffusion path because there is less chance of collision of particles. The rate of diffusio...
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Answered by Charlotte W. • Biology tutor
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