Answer:
c
Explanation:
the foods are not balanced
This is true. A cell is the smallest unit of living matter, the basic unit of life. In multicellular organisms such as man, cells make up every tissue, organ, and organ system in the body. Man is organized in cells, tissues, organs and organ systems.
Cells work together in groups known as tissues. A tissue, be it plant or animal tissue, is defined as a group of similar cells working together to carry out a certain task.
Tissues in turn are grouped together to form organs and organs are organized to into organ systems to carry out specific functions in the body.
All these is possible because of the cell, the very basic unit from which all living matter is made.
No single food provides the body with all the essential nutrients, so eating from each of the food groups is recommended.
If your practicing an event in your mind and not actually doing it that's called mental rehearsal.