Do you just want to visualize it? Go to View/Display Settings/Visibilities and change the clipping depth. You can also hide outside parts or put them in wireframe.
For both model and drawing use you can make a cross section. View/view manager/xsec.
You can also make an assembly cut but this adds unnecessary overhead and features and is kind of a last resort.
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The Help for this program was created in Windows Help format, which depends on a feature that isn't included in this version of Windows.