Memory ScienceVersion en ligne People grow and change. par Janelle Ms. How fast or slowly your heart beats. It gets faster when you exercise. digest The liquid in your mouth that begins to break down food. baby --> child --> teenager --> adult --> grandparent Adult teeth that take the place of baby teeth. Shows healthful food choices. All people grow and change from: The break down of food to get the energy and nutrients. Permanent teeth Body parts that work to move your bones. It holds up our body, gives it shape, helps us move, and protects parts inside our body. breads, cereals, rice, pasta, fruits, vegetables, milk, cheese, meats, and beans Foods that should be eaten in small amounts: The body part where food is broken down into a thick liquid. heart rate sweets, fats, and oils The tube that takes food from your mouth into your stomach. Muscle that pumps blood through your body. Healthy food choices: Body parts that help you breathe the air you need to live. saliva Where liquid food moves after being in the stomach.