そのため、SVG 内の個々のパス ID を独自のボタンにする必要があります。各タグの周りに追加しようとしましたが、実際には svg 全体が消えてしまいます。
助けてください!
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="Layer_1" x="0px" y="0px" width="262px" height="644px" viewBox="128 65.25 262 644" enable-background="new 128 65.25 262 644" xml:space="preserve">
<g id="skull">
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<g id="humerus">
<path id="humerus" opacity="0.5" fill="#9B4F9E" enable-background="new " d="M190.635 197.309c-2.093-5.987-1.962-8.47-0.813-10.126 c1.147-1.655 0.957-1.908 3.312-2.478c2.356-0.57 3.695-1.97 5.67-1.458c1.973 0.5 3.3 0.7 5.6 3.8 c2.289 3.1 0.8 5.3 0.8 5.35s-2.737 0.059-3.824 2.86c-1.086 2.8-2.602 43.292-3.114 45.3 c-0.512 1.973-3.397 17.25-3.02 20.943c0.378 3.7 4.7 19.6 4.8 21.845c0.124 2.3 1.5 5.67-3.638 6.3 c0 0 0.7 2.516-1.503 2.243c-2.192-0.273-4.356-1.041-6.52-1.808c-2.163-0.767-7.004-0.327-6.808-3.256 c0.194-2.929-0.565-5.54 2.876-8.911c3.442-3.371 5.869-32.016 6.592-37.428S190.635 197.3 190.6 197.309z"/>
<path id="humerus" opacity="0.5" fill="#9B4F9E" enable-background="new " d="M326.388 196.912c2.059-5.999 1.914-8.481 0.758-10.129 c-1.158-1.647-0.97-1.903-3.329-2.46c-2.359-0.556-3.706-1.948-5.678-1.424c-1.97 0.524-3.307 0.724-5.577 3.8 c-2.27 3.072-0.788 5.354-0.788 5.354s2.738 0 3.8 2.838c1.102 2.8 2.9 43.3 3.4 45.2 c0.524 2 3.5 17.2 3.1 20.926c-0.356 3.697-4.573 19.58-4.686 21.873c-0.111 2.293-1.424 5.7 3.7 6.3 c0 0-0.675 2.5 1.5 2.234c2.191-0.286 4.35-1.065 6.511-1.843c2.156-0.781 7.001-0.369 6.79-3.296 c-0.213-2.927 0.533-5.542-2.929-8.895c-3.462-3.35-6.054-31.981-6.808-37.389C325.444 234.6 326.4 196.9 326.4 196.912z"/>
</svg>