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Diagram each of the three orders of levers. 2+ Defines “power arm"; “weight arm".
Give the formula and work the problems: (a) Power arm 15 inches--Weight arm 33 inches--Power
120 pounds. Find the weighte. (b) Power arm 4 feet--Weight arm 23 feet-=Weight 200 pounds.
Pind power. 4e What is the importance of the pH or acidebase balance of the blood.
Explain how proper base=#balance is maintained in the bodye 5-6 Defines second wind. Mention
at least six changes which take place within the body innedjetely previous to or at the
outset of second wind. 6s Defines “buffer" “Steady State". 7. Explg@in the term . -.
fOxygen debt" and the significance of the phenomenone 8. What is mean by: (a) “absolute
power" and (b) “Optimum load". ae , | |

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