Define the following: Spermiogenesis.

Spermatogenesis can be characterised as the process by which the sperms are produced in the body of a male. Spermiogenesis can be best defined as a stage in which spermatids get transformed into spermatozoa. These spermatozoa have the ability of motility. These are haploid.

Draw a labelled diagram of L.S of the human testis.

Testes are the primary sex organs in men. It performs two functions: the production of sperms and the secretion of male sex hormones. Each testis is oval in shape with a length of about 4-5cm and a width of about 2-3cm.