Human Biology

The immune system is a complex network of cells, organs like the spleen and thymus, and molecules that protect you from infections.

Did you know that treadmill belts absorb shock, protecting your joints for every step of your run?

When you look at your love interest, chemicals are released in your body, making your heart race and your pupils widen.

5-15% of children are affected by sleepwalking every year, while only 1-1.5% of adults experience the phenomenon.

Did you know that roughly 35% of people are born without wisdom teeth?

William Addis invented the toothbrush while in prison; he made it out of cow bone and pig bristles.

Did you know that you can help increase your metabolic rate by just getting 7-9 hours of sleep every night?

Did you know that doctors perform about 530,000 tonsil removal procedures on kids in the US each year?

Did you know that people are thirty times more likely to laugh at something if they are with somebody else?

Did you know that Cranberries can slow the effects of memory loss and aging of the skin?

Did you know that most people pee on average between four and ten times per day?

Did you know that an allergy can be a way of your body falsely telling you something is bad for you?

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