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.
Knock knees is a condition that is commonly found in young children where the knees touch each other when standing straight and the lower legs go out. This is often first found in children between the ages of 3 and 5 and usually is able to fix itself by the time the child reaches seven years old.