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Interesting Facts about Boys Image source: By CFCF - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php? curid=30152304 1. 17 weeks into a pregnancy, baby boys can have erections. 2. When boys are 8 or 9 years old, their testicles begin to make sperm for practice.  3. Males have several erections while they are asleep. 4. The epididymis is a coiled tube that is 6 metres long (tube that stores sperm). 5. Ejaculate is only one spoonful of fluid. 6. Between the ages of twelve and fourteen the scrotum grows bigger and turns a darkish red and the testicles start to produce testosterone, the male sex hormone, which makes the penis grow. 7. Once puberty starts, testicles produce one million sperm per minute, 24 hours a day.  8. Testicles are kept 4-5 degrees cooler than body temperature. 9. The scrotum is made of special skin that is stretchable and shrinkable. 10. Average size penis is about two inches long when it�s limp and six inches long when erect. 11. Many ...

Interesting Facts about Girls Image source: By CDC, Mysid - Vectorized in Inkscape by User:Mysid from a CDC image ( http://www.cdc.gov/cancer/nbccedp/cc_basic.htm ), public domain., Public Domain, https://commons.wikimedia.org/w/index.php?curid=2885139 1. The vagina is only as deep as your middle finger.  2. The vagina keeps itself clean and healthy by constantly producing mucus which turns  white when it�s exposed to the air.Discharge also prevents the vagina from drying out.  3. Discharge will begin to appear some time before your first period begins.  4. Females can ovulate before they have their period.  5. Cramps and painful periods may be caused by low calcium and magnesium levels.  6. The usual amount of blood lost during a period is between one and six tablespoons. (120  ml blood and tissue)  7. Menstrual fluid is mostly made up of water.  8. A lot of girls� hymen are broken through using a tampon or during active sports such as...

Facts you do not know about Tattoos Source: By Ricardo Almeida from Campinas, Brasil - Primeira sess�o no canela! #anchor #jesus #tattoo, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=49955303 What is a tattoo? A tattoo is:  1.  Any indelible design, letter, scroll, figure, symbol, or other mark placed with the aid of needles or other instruments; or  2.  Any design, letter, scroll, figure, symbol done by scarring on or under the skin. The origin and historical meaning of the word Tattoo is believed to have two deviations as  follow; (i)  ta-striking something (Polynesian) (ii) tatau-to mark something (Tahitian) The use of  tattoos is recorded to have begun thousands of years ago and its history is as varied and diverse as people who carry them. The first tattoos were most likely created unintentionally. Someone with a small wound or gash happened to rub it with dirty hand that was covered by soot or ash. Once the wound had healed ove...

Amazing Bone Facts Image source :  "Human skeleton front en" by LadyofHats Mariana Ruiz Villarreal - Own work. Image renamed from File:Human skeleton front.svg. Licensed under Public Domain via Commons - https://commons.wikimedia.org /wiki/File:Human_skeleton_front_en.svg#/media/File:Human_skeleton_front_en.svg What would happen if humans didn't have bones? You'd be floppy like a beanbag. Could you stand up? Forget it. Could you walk? No way. Without bones you'd be just a puddle of skin and guts on the floor. Bones have two purposes. Some, like your backbone, provide the structure which enables you to stand erect instead of lying like a puddle on the floor. Other bones protect the delicate, and sometimes soft, insides of your body. Your skull, a series of fused bones, acts like a hard protective helmet for your brain. The bones, or vertebrae, of your spinal column surround your spinal cord, a complex bundle of nerves. Imagine what could happen to your heart and lu...