In fact, the body is mostly a visual artifact, that works together in the mind to create a composite body image which we usually take to be ourselves. With some practice you can simultaneously experience both your own inner emptiness and the historical body image you take to be yourself; the image will be seen as floating in the inner fantasy world of empty void filled with other insubstantial forms.
With the eyes closed, we take a look at how we experience the body in the below video. I was aware of the time limitations of the Youtube video format, so rushed the meditation. It should take twice as long. However, even in this rushed format you should be able to get a taste of the emptiness of some of your "inner" experiences.
Meditation on the Emptiness of the Body