Avanti - Final MusclesBonesSE GIZMO ALL ANSWERS 100% CORRECT GRADED A+

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Name: Katie Jones, Lily Gruia, Avanti Ramraj Date: 12-15-2020 Student Exploration: Muscles and Bones Directions: Follow the instructions to go through the simulation. Respond to the questions and p... rompts in the orange boxes. Vocabulary: actin, biceps, cartilage, contract, extend, fast twitch fiber, flex, fulcrum, humerus, lever, ligament, muscle fiber, myofibril, myosin, powerstroke, radius, sarcomere, skeletal muscles, slow twitch fiber, tendon, triceps, ulna Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. When you lift a weight, what part of the arm is doing the most work? The muscles in the arm like the bicep and tricep. 2. How do you think your arm muscles cause your forearm bones to move? When the arm muscles contract, the forearm bones react by moving toward the upper arm. Gizmo Warm-up In the Muscles and Bones Gizmo, you will learn about the anatomy of the arm. You will build an arm model, then test its ability to lift a dumbbell and throw a ball. You will see how making adjustments to the arm can affect its ability to lift and throw. To begin, make sure you are on the ANATOMY tab, the entire arm is shown, and no circles are open. Select Hide muscles. Click Play. 1. Describe what the arm bones are doing. The arm bones are moving closer together as they contract. 2. Turn off Hide muscles and turn on Show labels. Describe what the biceps and triceps are doing as the forearm moves up and down. [Show More]

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