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Avanti - Final MusclesBonesSE GIZMO ALL ANSWERS 100% CORRECT GRADED A+
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Name: Katie Jones, Lily Gruia, Avanti Ramraj Date: Student Exploration: Muscles and Bones Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: actin, biceps, cartilage, contract, extend, fast twitch fibe...

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  • September 5, 2022
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  • 2022/2023
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Avanti - Final MusclesBonesSE GIZMO ALL ANSWERS 100% CORRECT GRADED A+


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
prompts 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.

As the forearm moves down, the tricep is contracting. As the forearm moves up, the bicep is
contracting.




Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved
This study source was downloaded by 100000844708667 from CourseHero.com on 09-04-2022 21:17:36 GMT -05:00


https://www.coursehero.com/file/78910492/Avanti-Final-MusclesBonesSEpdf/

, Get the Gizmo ready:
Activity A:
● Make sure the ANATOMY tab is selected and no
Muscle anatomy
circles are open.

Introduction: Your arm contains muscles, bones, and other connective tissue. When muscles contract, they
pull on the bones, causing them to move. In this activity, you will learn what causes muscles to contract.

Question: What causes muscles to contract?

1. Observe: Turn on Hide muscles and Show labels.

A. Which bone connects the shoulder to the forearm? Humerus

B. What are the names of the two forearm bones? radius and ulna

2. Observe: Note the white connective tissue along the elbow. Cartilage reduces friction between bones.
Examine the ligament.

A. Ligaments connect bones to other bones


B. Turn off Hide muscles. Inspect the tendons. Tendons join bones to muscles

3. Explore: Click Play. Observe the muscles as the forearm moves up and down.

A. When the arm flexes (bends upward), which muscle contracts? The bicep contracts

B. Which muscle relaxes when the arm flexes? The tricep relaxes.

C. When the arm extends (straightens), which muscle contracts? The Tricep contracts.

D. Which muscle relaxes when the arm extends? The bicep relaxes.

E. Why do muscles work in pairs? Muscles work in pairs in
order to give each other a
break and move parts of the
body up and down.

4. Observe: Click on the biceps to see a close-up of the muscle.

A. What is the muscle made of?

It is made of bundles of fibers and muscle fibers (cells).


Reproduction for educational use only. Public sharing or posting prohibited. © 2020 ExploreLearning™ All rights reserved
This study source was downloaded by 100000844708667 from CourseHero.com on 09-04-2022 21:17:36 GMT -05:00


https://www.coursehero.com/file/78910492/Avanti-Final-MusclesBonesSEpdf/

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