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