16th May 2002 - Facts Installment I

- Hydrochloric acid in your stomach is so strong that it can eat up stainless razor blades.
- Your large intestine is about 1.5 m long.
- Every day about 1 litre of saliva enters your mouth.
- Carrying your skin can be hard work. The average adult's skin weighs about 3.2 kg.
- Your mouth is the most unhygienic place in your whole body. More than 100 000 000 microorganisms live there at any time.
- Feet sweat because there are about 250 000 pores on your soles that squirt a quarter cup of liquid each day.
- Your nose smells best when you are about 10 years old. This is probably why children notice gross smells faster than adults.
- Your nostrils take turns inhaling. You breathe through one nostril for 3-4 hours and then switch to the other one.
- Normal breathing sucks air into the nose at 6 km/h. A good sensory sniff is 32 km/h. A sneeze will shoot out of the nose at 160 km/h.