Reflex action refers to the response to a stimulus, while reflex arch refers to the path taken by the reflex action.
<h3>What is the nervous system? </h3>
1. Low oxygen levels are detected by sensory receptors in the arteries.
2. An impulse is produced by sensory neurons.
3. Certain parts of the brain get an impulse from the central nervous system.
4. Motor neurons carry messages from the brain.
5. Isabel's respiration becomes more rapid.
Reflex actions are immediate, reflexive reactions to stimuli that limit bodily harm.
Therefore, it travels to the brain via the central nervous system and sends impulses via Isabel's motor neurons, which aid to speed up her breathing.
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The microbes present in the experiment were:
S. cerevisiae
S. epidermis
A way of categorizing microbes is according to the environment that they need to live in. In other words, we can classify them as isotonic, halotolerant and halophile.
If we put these two microbes in solutions of increasing concentrations, 1%, 7% and 15%, we will see that:
- S. cerevisiae only grows when it is in a 1% solution.
- S. epidermis only grows when it is in a 1% and 7% solution.
In conclusion, S.cerevisiae prefers an isotonic environment. S. epidermis is halotolerant since it can grow in a more hypertonic environment. As none of them grows in a highly hypertonic solution, neither of them are halophile.
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Hi
<span>Firstly, the white blood cells tend to have a higher surface to volume ratio then other cells because the are more amorphous. That would lead to an relative increase in plasma membrane, which contains receptors for identifying antigens. Thats why, the white blood cells may be more receptive to detection of antigens due to a higher surface-to-volume ration. It's basically because this.</span>
The third option "Rhyolitic" would be your answer.
