Question

Blood consists of different types of cells — red blood cells, platelets, and white blood cells. Red blood cells transport oxygen throughout the body, platelets aid in blood clotting, and white blood cells help destroy and remove old cells and foreign substances. This is an example of how

A. different cells are unable to be grouped together within the same organ or organ system.
B. only similar cells are grouped together so they can perform a singular function.
C. every part of the body contains different cells with unique and unrelated functions.
D. the cells of the body are of different kinds and are grouped in ways that enhance how they function together.

Answer 1

D. the cells of the body are of different kinds and are grouped in ways that enhance how they function together.

Step-by-step explanation:

Answer 2

The answer is D. A is obviously incorrect because they just listed these many different cells that are grouped together. B is incorrect because not only similar cells are grouped together, and they often perform different functions. C is incorrect because the functions are never unrelated, they are usually interdependent with each other.