Answer:
<em><u>Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, exercise or sport. ... Apart from two-wheeled bicycles, "cycling" also includes the riding of unicycles, tricycles, quadricycles, recumbent and similar human-powered vehicles (HPVs).</u></em><em><u> </u></em>
Explanation:
<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u> </u></em><em><u>you</u></em><em><u> </u></em><em><u>✌️</u></em>
Glucose + enzymes = carbon dioxide + ethanol / lactic acid
It varies, because it depends on his immunity strength and if he has BP, sugar or diabetes.