Iran is an industrial country. That's why Venesuela's economy crumbled after a year of sanctions and Iran's has endured decades: They produce a huge amount of their needs locally.
It also has the most sophisticated healthcare system in the Middle East. It may not be as good as Western Europe, but it competes, or may exceed, the eastern Europe.
To understand where Iran stands, you can consult [1] and get surprised that its output is not only more than the whole ME combined, but exceeds some countries in Europe.
[1] https://iranian-studies.stanford.edu/sites/g/files/sbiybj619...