Yes, we can say that because our business depends upon money. If we invest money into business then we are able to return back.
Is money the life blood of business?
Yes money is the life blood of business as in you need money to create a business. Time is money so in essence time is the essence of business, proper timing, careful planning, proper use of time & efficient use of time.
I personally believe people are the lifeblood of a biz. However, of course money plays crucial part.