Answer:
parasitism
Explanation:
In parasitism, one species(host) is harmed and another species(parasite) is benefitted.
The correct option is VANITY.
In psychology, arousal refers to the state of been stimulated to a point of perception. It is controlled by the part of the brain called Reticular Activating System. Arousal is brought about by a number of different things such as emotions, food, sounds, etc. Other people can create arousal in us in different ways such by their presence, apprehension and distraction. Arousal may enhance performance or decrease it.
Answer:
See the answer below
Explanation:
Person X is feeling a burning sensation in several muscles<u> because of the accumulation of lactic acid due to inadequate oxygen in their system.</u> When oxygen becomes inadequate during exercises, anaerobic respiration takes place to augment the oxygen shortage and this leads to the production of lactic acid which accumulates up in the muscles and gives a burning sensation.

Person Y does not feel any burning sensation in their muscles <u>because oxygen is adequate in their system and they do not need to respire anaerobically.</u> <em>Person X exercise regime must have been more rigorous than that of person Y.</em>
The correct order in which <span>information flows in the nervous system </span><span>occur would be C. 2,3,1
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First information is gathered by any receptor. The information that gained will be processed by the brain. After that, the brain will send a signal to activate appropriate region to responses, like muscles of glands.
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The answer is C because all plants have vacuoles and only some animals do have them too