Answer: Physical activity, when it is not exhaustive, usually leads to elevated blood levels of "hormones of stress and activity" (catecholamines, cortisol, growth hormone), while thyroid and gonadal secretions are less involved.
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rice and peas ...........
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The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. ... Electromagnets are also employed in industry for picking up and moving heavy iron objects such as scrap iron and steel
Explanation: will you mark me plz?