INTERESTING FACTS ABOUT THE URINARY AND INTUGEMENTARY SYSTEMS By Ava, Jasmyne, Kalen, and Leslie

10 Interesting and Unusual Facts about the Urinary system: 1.The human bladder can stretch to hold about 400ml to 2000ml of urine. 2. Urine is often diluted and added to potted plants in the garden as it has adequate urea content which is a wonderful source of nitrogen to plants. 3.You may suffer from stress if the muscles supporting the bladder are weakened. You can help to strengthen these by doing pelvic floor exercises. 4.Urine stays in the bladder for up to 5 hours before discharge depending on the amount of liquid consumed if the urinary system is healthy 5.The kidney can clean more than 1 million gallons of water in a lifetime, which is more than enough to fill a small lake

10 INTERESTING FACTS ABOUT THE INTEGUMENTARY SYSTEM 1.Every month you have a whole new layer of skin 2.You will shed 40 lbs of skin a lifetime 3.You have 7 Layers of flat, stacked cells 4.The average amount of head hair is 120,000 strands 5.We lose 30,000 to 40,000 dead skin cells every minute 6.The medical term for freckles are Ephelides (freckles are small, flat area of brown melanin producing cells)

REPRODUCTIVE FACT  Men have vastly more gametes than women  Men release more gametes on a regular basis than women will ever have (1.2 million)

SOURCES  Interesting Facts about Urinary System | Medindia about-urinary-system.htm#ixzz3Amf1cIKs about-urinary-system.htm#ixzz3Amf1cIKs  15 Interesting Facts About the Human Bladder. Cairn.  10 Interesting Facts facts

7.The skin has around two to five million sweat glands. That’s why you have to shower 8. Your eyelids have the thinnest skin 9. Nails grow.55mm per week 10. The total surface of the human skin is approximately 18 square feet

6. Urine is a blood byproduct and is non-toxic. It contains 95% water, 2.5% urea and 2.5% of other mixtures of minerals, salts and enzymes. 7. The muscle in the bladder wall is called the ‘detrusor’ muscle. 8. The inside of the bladder is covered with a urine-proof lining called the urothelium. 9. A normal bladder does not leak. 10. Women’s urethras (tubes that take urine from the bladder to the outside of the body) are much shorter than men’s. This means that women are more at risk of bladder infections than men as bacteria from outside the body can get into the bladder more easily.