The answers to these questions about the human body may be found by clicking on the link below each one. You could write the answers down when you find them or you could try a spot of multi-tasking by clicking here and copying these questions into a word processor and typing in the answers (or copying and pasting) as you find them. Good luck!

• How much blood does the adult human body contain?

  http://www.howstuffworks.com/blood.htm

• How many times does a heart beat in an average lifetime?

  http://sln2.fi.edu/biosci/heart.html

• Click on the link below and then click on the question "Does this spot have a name?" Work your way through the movie and find the answer to this question - Is the "funnybone" a bone?

  http://www.yucky.com/body/index.ssf?/yuckystuff/funnybone/js.index.html

• How does a healthy human lung differ from that of a smoker's?

  http://beakman.com/navigation/smoke.html

• Do the quiz and view the movie. What are the muscles that we control called?

  http://www.brainpop.com/health/muscular/muscular/index.asp

• What six things do humans need to eat to stay fit and healthy?

  http://www.bbc.co.uk/education/revisewise/science/living/04_act.shtml

• What are bronchioles and alvioli (found in the lungs)?

  http://dknet.lineone.net/encyclopedia/human_body/c--breathing_eating-d.html

• Arteries and veins are blood vessels. What is the difference between the two?

  http://www.imcpl.lib.in.us/nov_circ.htm

• How many bones is the human skeleton made up of?

  http://collections.ic.gc.ca/science_world/english/exhibits/body/skeleton.html

• View "Arnold's Great Tooth Exploration". What are the four different kinds of teeth called?

  http://www.scholastic.com/magicschoolbus/games/colgate/explore.htm