LF Unit 4 Overview

​Open your Unit 4 Practice Assignments to follow along.

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Open Ended

Questions? (If none, type none)

Multiple Select

What type of muscle makes up the muscular system? (Check all that apply)

• Skeletal Muscle

• Cardiac Muscle

• Smooth Muscle

Multiple Choice

Fast twitch muscle cells:

• Use energy slowly

• Would be found in the muscles of a sprinter

• Have lots of nerve cells

• Help us to stand upright

Multiple Choice

One type of muscle contraction results in a stabilizing force. This:

• Enables us to stand and sit upright

• Means it helps us to lift heavy things

• Makes the muscle very tense

Multiple Choice

What proportion of the body’s weight does the skeletal system make up?

• 30-40%

• 20-30%

• 65-75%

Multiple Choice

Without the muscular system, we wouldn’t be able to make most of the body heat that we require.

• True

• False

MuscleWiki

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