I've noticed a trend of artists and designers employing human anatomy in things we use to decorate our homes: wallpaper, textiles and so forth. Consider, for instance, Wallpaper Number One (2006) by Shannon Wright, which is a stylized version of... our uninary tract, of all things.
Or the Anatomical wallpaper by Kari Modén for Swedish pharmasy Vårdapoteket:
Gabriel Valdivieso Interior Design worked with artist Jonny Macali, to create a paper that features flamingos, human bodies and flowers in this custom wallpaper:
ᔥ design sponge
Or consider the 'Soft Cover' quilt by Katrin Rodegast:
Or the 'Flow' chairs are from AK-LH, which depict the circulatory system:
↬ Apartment Therapy
Etsy seller and printmaker Sara Selepouchin of girlscantell delights in diagrams, including one of heart, she's printed on tea towels:
For more, check out the blog Street Anatomy which has an entire 'Interior Design' section.