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Junior Cert: Excretion

What is skin for? YouTube. 2 mins 4 Star
4000 children die every DAY from TED. YouTube. 14 mins 5 Star
One way scientists learn about animals is by studying their poop -- also called “scat” or "dung." Let’s look at some animal poop and see if you can guess who left it behind.

http://www.whopooped.org/
What a wonderful name

4 Star
Detailed interactive look at the kidneys More detail than is necessary for Junior Cert level, but interesting for those who want to know a little bit more 4 Star
Did you know that most mammals, from a house cat to an elephant, take roughly the same amount of time to urinate? No? I didn't think so. Important research this. 3 Star
What do kidney stones look like? Answer: Ouch! 4 Star