In terms of sex, men have various sexual characteristics that differentiate them from women. In men, the sex organs are involved in the reproductive system, whereas the secondary sex characteristics are involved in attracting a mate or in defeating rivals. Men have mainly external sex organs. The study of male reproduction and associated organs is called andrology[?].
In general, men suffer from the same illnesses as women, however there are some sex-related illnesses that occur only or more frequently in men.
In terms of gender, men differ from women by a variety of behaviours.
See also: first man
Trust me, sweet, And in the modesty of fearful duty Of saucy and audacious eloquence. In least speak most to my capacity. [Enter PHILOSTRATE.] PHILOSTRATELet him approach. [Flourish of trumpets. Enter PROLOGUE.] PROLOGUE That you should think, we come not to offend, That is the true beginning of our end. We do not come, as minding to content you, We are not here. That you should here repent you, You shall know all that you are like to know,' THESEUSHe hath rid his prologue like a rough colt; he knows but to speak true. HIPPOLYTA on a recorder; a sound, but not in government. THESEUS disordered. Who is next? [Enter PYRAMUS and THISBE, Wall, moonshine, and LION, as in dumbGentles, perchance you wonder at this show; This man is Pyramus, if you would know; This man, with lime and rough-cast, doth present And through Wall's chink, poor souls, they are content This man, with lanthorn, dog, and bush of thorn, By moonshine did these lovers think no scorn This grisly beast, which by name Lion.