Whereas Body is a physical entity, mind is very difficult to understand. Definitely it is not a physical entity like our body is . It may be considered as a metaphysical thing. Still these are interconnected. Condition of one influences the other. Everyone must have heard things like that if the mind is strong then it has a positive effect on the body. Mind is more powerful and directs the body actions most of the time. If the mind is strong it can make the body achieve the unimaginable.
I think our personality is the sum of our body and mind. I have seen an example that when old age comes, when the body begins to become weaker, some people try to compensate this loss by making their mind strong. They can become more aggressive in mind.
These are my views and can be at variance with others.