Answered: Need help with question 1 nad 2 1.) As…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Need help with question 1 nad 2 1.) As young roosters mature, they develop secondary sex characteristics such as crowing, fighting with other males and trying to mate. If the testes are removed at an early age, the roosters do not develop these characteristics. These castrated roosters are called capons. This experiment demonstrates that the testes stimulate the development of sexual behavior in some way. The most convincing evidence that the testes stimulate sexual behaviors by releasing hormones into the blood is that A.) removal of the testes from young roosters prevents them from developing sexual behavior B.) removal of the testes does not effect normal growth and the development of typical male plumage C.) replacing the testes anywhere in the bodies of capons stimulates their sexual behavior D.) replacing the testes only stimulates sexual behaviors if they are reconnected to the nervous system 2.) After several hours of fasting, blood glucose levels tend to decrease because glucose is absorbed into the cells and broken down during cellular respiration. Glucose in the blood is replaced during fasting as A.) glucagon is secreted and converts stored glycogen into glucose B.) glycogen is secreted and converts stored glucagon into glucose C.) decreased production of insulin stimulates conversion of glycogen to glucose D.) increased production of insulin stimulates conversion of glycogen into glucose

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

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