Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: 
Blood consists of liquid plasma, which contains dissolved substances, and three types of cells: red blood cells, white blood cells, and platelets. The main function of blood is transport. Blood also fights infections, repairs tissues, controls pH, and helps regulate body temperature.


Question: Red blood cells, white blood cells and what other cell is found in blood?
platelets
Platelets.