Which of the following structures form the bulk of each of the testis?
vas deferens
Seminiferous tubules
Seminal vesicles
Corpus cavernosum
The Correct Answer is B
a. Vas deferens: This is a tube that transports sperm from the epididymis to the ejaculatory ducts but does not form the bulk of the testis.
b. Seminiferous tubules: These tubules are where sperm production (spermatogenesis) occurs and constitute the majority of the testicular mass.
c. Seminal vesicles: These are glands that produce seminal fluid and are not part of the testis.
d. Corpus cavernosum: This is erectile tissue found in the penis, not in the testis.
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Related Questions
Correct Answer is C
Explanation
a. Glycoproteins: Glycoproteins are proteins that have carbohydrate groups attached to them and are not related to glycogen breakdown.
b. Glycosaminoglycan: Glycosaminoglycans are long polysaccharide molecules involved in building connective tissues, not in glycogen catabolism.
c. Glycogenolysis: Correct. Glycogenolysis is the process of breaking down glycogen into glucose to be used for energy.
d. Gluconeogenesis: Gluconeogenesis is the process of producing glucose from non-carbohydrate sources, not the breakdown of glycogen.
Correct Answer is B
Explanation
a: Storage of fat - While the skin does contain adipose tissue (fat), its primary function is not fat storage.
b. Body temperature regulation-The skin plays a crucial role in regulating body temperature through processes such as sweating to cool the body down and constriction of blood vessels to conserve heat.
c: Energy production - The skin is not directly involved in energy production; this is primarily carried out by organs like the liver and muscles.
d: Gas exchange - Gas exchange occurs primarily in the lungs, not the skin.
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