Testicle: Difference between revisions
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[[File:Loose human scrotum.png|thumb|405x405px|Human testicles in a scrotum which is hanging loose. This is typical in adult males in warm temperatures. The scrotum is usually tight (not hanging loosely) in younger boys and in adults in cool or cold temperatures, and during sexual arousal.]]
'''Testicles''' are going up and down up down up down up down up down parts that are found on the bodies of male creatures. Male [[mammal]]s, including humans, have two testicles, supported in a sac of skin below the [[penis]] called the [[scrotum]]. Along with the penis, testicles are called [[sex organ|reproductory organs]] or "sex organs". Only males have testicles; females have [[ovaries]].
Testicles are a type of organ called [[gland]]s. Like other glands, testicles make ''chemical substances'', called [[hormones]] that keep the body working. Testicles also make [[sperm]], which can join with [[ovum|ova]] to make new life.
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