Biological sex, shown on the top scale, includes external genitalia, internal reproductive structures, chromosomes, hormone levels, and secondary sex characteristics such as breasts, facial and body hair, and fat distribution.

A prostate picture or prostate diagram will surely help you understand the crucial role your prostate plays in your health

The penis is the male external excretory and sex organ. The penis contains the external opening of the urethra, which is used for urination and to deliver semen into the vagina of a female sexual partner.

An adult penis with an erect length of less than 7 cm or 2.76 inches but otherwise formed normally is referred to in a medical context as having the micropenis condition.

Exactly what you need to know but don’t want to ask about in mans and teens, and the changes you can expect to your body.

WebMD’s Penis Anatomy Page provides a diagram of the penis and describes its function, parts, and conditions that can affect the penis.

Preferred penis size: for the vast majority of women a man’s penis will fall in one of the following categories: ideal (perfect), very satisfying but …

The penis is composed of three cylinders encased in a sheath called the bucks fascia. These three cylinders are the corpus spongiosum and two corpora cavernosa known as the corpus cavernosum of penis.

How to cite this page: Janet Grieve, ‘Open ocean – Larger plankton in the food chain’, Te Ara – the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/diagram/5355/jellyfish-life-cycle (accessed 30 May 2018)

Diagram definition, a figure, usually consisting of a line drawing, made to accompany and illustrate a geometrical theorem, mathematical demonstration, etc. See more.