I've had this question before and the answer is D) 30 minutes per day, 5 days a week
So nothing goes wrong in he process.
Answer:
<em>Antibodies</em><em> </em><em>are</em><em> </em><em>produced</em><em> </em><em>by</em><em> </em><em>lymphocytes</em><em> </em><em>since</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>part</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>immune</em><em> </em><em>system</em><em> </em>
Stress might be caused by anything like not sleeping very well or/and not digesting your food that you eat correctly stress is a complecated thing Well hope it helps
