January 21st, Night by Elie Wiesel

Name: ___________________________________

Date: _____________________   

Directions: Answer using complete sentences! Use the information you have been given to answer questions about: Their muscular system. Challenge yourself and try the highest level you can!

Subject: The Muscular System: Learning about how muscles work.

Level#1: Skeletal muscles are attached to your bones. They are voluntary muscles. You can control when voluntary muscles move. This type of muscle moves your skeleton by pulling on tendons attached to bones.

1. What are skeletal muscles attached to?





2. What type of muscles are skeletal muscles and how are they controlled?





3. How are voluntary muscles able to move?






Level#2: Skeletal muscles are attached to your bones. They are voluntary muscles. You can control when voluntary muscles move. This type of muscle moves your skeleton by pulling on tendons attached to bones. When a muscle moves, it contracts, or shortens. When a muscles relaxes, it lengthens. Muscles can only pull. They cannot push. For this reason, skeletal muscles work in pairs. Most voluntary muscles work in teams of two to move bones.

1. How do voluntary muscles move your skeleton?





2. What does a muscle do when it moves and what does it do when it relaxes?





3. Why do voluntary muscles need to work in pairs or teams of two?







Level#3:  Skeletal muscles are attached to your bones. They are voluntary muscles. You can control when voluntary muscles move. This type of muscle moves your skeleton by pulling on tendons attached to bones. When a muscle moves, it contracts, or shortens. When a muscles relaxes, it lengthens. Muscles can only pull. They cannot push. For this reason, skeletal muscles work in pairs. Most voluntary muscles work in teams of two to move bones. For example, the upper arm has the biceps and triceps muscles. The biceps muscle is the muscle in the front of your upper arm. The triceps muscle is in the back of your upper arm. The two muscles work together when you move your arm.

1. Explain how skeletal muscles allow you to move and what happens to them when they do?






2. Skeletal muscles pull and cannot push, so how do they do the job of moving bones?






3. Where is the biceps muscle found and where is the triceps muscle found?










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