Identify the correct statements.

a) Each testicular lobule contains 1-3 seminiferous tubules.

b) The regions outside the seminiferous tubules called interstitial spaces, contain Leydig cells and Sertoli cells.

c) The male sex accessory ducts include rete testis, vasa efferentia, epididymis and vas deferens.

d) The enlarged end of penis called glans penis is covered by loose fold of skin called foreskin.

Choose the correct answer from options given below.