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bearhunter [10]
3 years ago
11

The pectoralis major muscle can be divided into groups of fibers superior, or __________, and inferior, or __________.

Biology
1 answer:
GREYUIT [131]3 years ago
8 0

The pectoralis major muscle can be divided into groups of fibers superior, or claviclular, and inferior, or sternocostal.

<span>Pectoralis is a major muscle fundamentally responsible for shoulder joint movements.  It is divided into four actions and two groups of fibers, anatomically the superior side and interior side.  These movements are often used in everyday lives like throwing and flapping the arms.</span>

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Extra credit question

Earth is special because it is an ocean planet. Water covers 70 percent of Earth's surface. Earth's atmosphere is made mostly of nitrogen and has plenty of oxygen for us to breathe.There are multiple reasons for earth to be a special planet. Reasons are as follows

1.Earth is the only planet known where intelligent life exist.

2.It lies in the circumstellar habitable zone (CHZ). CHZ is defined in the image given below.

3. Earth has a unique magnetic field which protects the earth from the harmful solar winds. These solar winds played a role in transforming venus into hell.

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Explanation:

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2 years ago
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vampirchik [111]

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