Testicles
The testicles are the male gonads in which spermThis is the name of the fluid that emerges from the urethra of the penis during ejaculation. It consists of around 80% secretions from the vesicle glands, 15% secretions from the prostate and around 5% sperm (up to 500 million!). are produced. This production begins at pubertyPuberty is the period when children grow into adults. Puberty involves many physical and emotional changes and is a very challenging time. and continues until the end of life if the glands are intact. There are two testicles in the scrotumThe scrotum is a bit like a pouch that surrounds and protects the testicles. It can also contract and collapse to ensure the optimum temperature for spermatogenesis of 34.5°C. If it is too cold, the scrotum contracts so that the testicles ... below the penisPenis is another name for the penis and, together with the scrotum, is one of the external male sex organs. The penis consists of the shaft and the glans. The glans is the most sensitive part of the male body and is covered by a foreskin, u.... One testicle is about the size of a walnut.