Biology · HUMAN REPRODUCTION

Consider the following statements regarding the human testis: (a) In adults, each testis has a length of about 4 to 5 cm and a width of about 2 to 3 cm. (b) Each testis possesses about 250 compartments called testicular lobules. (c) Each testicular lobule contains 5 to 7 highly coiled seminiferous tubules. (d) The seminiferous tubules are lined on their inside by spermatogonia and Leydig cells. Which of the above statements are correct?

1. A
   and (b) only
2. B
   (a), (b), and (c)
3. C
   (b), (c), and (d)
4. D
   and (d) only