Answer:
The correct answer is D the cells of the body are of different kinds and are grouped in ways that enhance how they function together.
Explanation:
Human body is composed of different types of cell to carry out different biological and physiological functions according to our body"s need.
For example Blood contain Red blood cell,white cell and platelet.Red blood cell helps in the transport of oxygen and carbon dioxide throughout the body.White blood cell fight against various invaded pathogens and finally destroy them.Platelets helps in the generation of clots to stop further bleeding.
Thus the different kinds of cell of our body are grouped in ways that enhance how they function together.