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>
Answer: CRH - ACTH - glucocorticoid
Biology overlaps with chemistry in studying the structure and functions of activities at the molecular level. The principles of chemistry are useful in cell biology because all living cells consist of chemicals and various chemical processes take place in many living organisms.
The neuron, or nerve cell, is the basic functional unit of the nervous system
adaptations.
Natural selection leads to traits called adaptations, which improve an organisms ability to survive and reproduce.