Guided Practice 2 A. Directions: Draw is the description of the internal organis true and if false, Write your answers on your paper 1. The brain controls the functions of all the parts of our body 2. Liver separates oxygen from the air we breathe 3. Intestines absorb ingested foods and water, 4. Heart pumps blood throughout our body. 5. Bones and muscles give support and form to our body.​