Respiration

next topic in Science is the Respiratory System.
Animation http://www.lungusa.org/site/pp.asp?c=dvLUK9O0E&b=40743
and take a look at http://kidshealth.org/kid/body/lungs_noSW.html
Quite a good website.

To find out how many times your hearbeat/ how many times you've breathed since birth, see http://www.intelihealth.com/IH/ihtIH/WSIHW000/9273/24321.html

Other readings:
http://yucky.kids.discovery.com/flash/body/pg000138.html
http://sln.fi.edu/biosci/systems/respiration.html
http://www.on.lung.ca/yourlungs/yourlungs.html
Hiccups
http://yucky.kids.discovery.com/flash/body/yuckystuff/hiccup/js.index.html#
On asthma http://www.healthsystem.virginia.edu/internet/pediatrics/patients/tutorials/asthma/
On mucus in your nose http://yucky.kids.discovery.com/flash/body/yuckystuff/snot/js.index.html