The phrase "activity consists of" is correct and can be used in written English.
It is typically used to describe a single or specific type of activity within a larger category. Example: The daily routine of a fitness enthusiast consists of a morning run, weightlifting session, and yoga practice.
Extracranial EEG activity consists of synchronized postsynaptic potentials (PSPs) of pyramidal cells generated in the cortex of the brain51.
The Japanese troops' main activity consists of pumping water from a canal and purifying it with nine machines inside their base.
British firms hare off to America to issue privately placed securities; most domestic activity consists of private loan agreements.
Since a typical motor activity consists of a sequence of planned movements, such a BMI must be capable of analyzing the complete sequence before action.
Some days, it seems like half its activity consists of loss-leaders, taking a hit on some aspect of its business in order to, potentially, make it back later.
All tangible economic activity consists of human beings applying their labour effort to the naturally occurring resources of the planet in order to convert them into things that people need and want.
The main activity consisted of players borrowing money, either from the bank or from each other, to purchase property.
It was a relatively balmy 47C when I visited, and the main activity consisted of scurrying in and out of the air-conditioned bar to look at the thermometer.
Functional MRI is sometimes critically referred to as "blobology," he said, because identifiable regions of brain activity consist of hundreds of thousands of nerve cells, providing only a blobby average of what is happening at any one time.
In 2011, psychologists E. J. Masicampo and Roy F. Baumeister found that people performed worse on a brainstorming task when they were unable to finish a warm-up activity consisting of both physical and mental work.
