21. A shoe is an item of footwear intended to protect and comfort the human foot while doing various activities. 22. They often involve smaller blacktip sharks that mistake, say, a human foot for a bite-sized fish. 23. The plantar arch in the human foot has an elastic spring function that generates energy for running but not walking. 24. His rock-climbing abilities have actually improved, because his lightweight prostheses fit into crevices where a human foot cannot. 25. Interestingly enough, the main ingredient in the cheese is a bacterium that can be found on the human foot ." 26. Another item found in Warhol's boxes at the museum in Pittsburgh was a mummified human foot from Ancient Egypt. 27. This gives the human foot an'everted'or relatively outward-facing appearance compared to that of other apes. 28. The "'Heel-Ball Index "'of the human foot is a variability in biological anthropology. 29. He broke a bone in his right foot, and the human foot is a very delicate, complicated piece of machinery. 30. This type is less effective since human foot or hand power on clutching reaches about 10 KN or 1, 000 kg.
