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.
1 In old English folklore, knocking on wood also referred to when people spoke of secrets â they went into the isolated woods to talk privately and knocked on the trees when they were talking to hide their communication from evil spirits who would be unable to hear when they knocked.