The gray matter in the spinal cord is located in the , and its shape resembles a letter h, or a butterfly. the cell bodies of somatic motor neurons are primarily housed in the horns, which innervate skeletal muscle.

The gray matter in the spinal cord is located in the grey column , and its shape resembles a letter H, or a butterfly. The cell bodies of somatic motor neurons are primarily housed in the ventral or anterior horns, which innervate skeletal muscle.

Explanation:

The grey matter is a component of the central nervous system that contains neuronal and glial cells and it can be found in the brain, brainstem and spinal cord, in this last one, is found in the grey column, a mass of grey matter shaped in H form.

In this column the grey matter is divided into four columns (as you can see in the image I added):

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.