Brain energy requirement, metabolism and neurotransmitter turnover consume 20 % of the available oxygen and glucose in the body.
<span>Even though, the brain is only about 2% of the body weight, it consumes about 20% of the body's energy. It is the main consumer of glucose-derived energy. When the mental strain increases, the brain's demand for energy in the form of oxygen and glucose is higher.</span>
Answer:
well it realtes because those are natural resourses other countries might need so they can sell there ore minerals.
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Answer:
Overreacts to an antigen.
Explanation:
Thats what an allergy is if you think about it
D is the best answer
(I am just using my common sense)
Hope I helped :)