Quick Answer. According to Science NetLinks, cells convert energy for your body and continually divide to make more cells for growth and repair. The body has about 200 different types of cells, and specific cells have assorted jobs to do. The various shapes of body cells depends on each cell's job.
knock boots. verb - intransitive. to have sexual intercourse. They were knocking boots 'til sunrise. See more words with the same meaning: sex, sexual intercourse.
A pair of womens boots. The definition of a boot is a type of shoe or foot covering that covers part of the leg as well. An example of a boot is what cowboys wear on their feet. To boot is to kick out, or to start up a computer. An example of to boot is to fire someone from a job.