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Muscular System

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Giovanny Medhurst

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Cards in this guide (5)
You put more efforts when you exhale air or when you inhale the air

During normal breathing at rest, inspiration is an active process while expiration is passive. So under normal conditions, you put more energy into inspiration than expiration.

What if your elbow is an example of a hingle joint

it is an example of a hinge joint.

What is the next step in muscle contraction after the actin changes shape

Actin Changes Shape

Apex

Myosin binds to Actin

APEX

Are muscles that bend a joint called extensors

Muscles that bend a joint are flexors; musces that straighten a joint are extensors.

How do trees help keep the environment clean

They get rid of carbon dioxide and create oxygen. (they clean the air)

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