Answer the following question given this 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. Q: Red blood cells, white blood cells and what other cell is found in blood? Choices: - hemoglobin - plasma cells - antibodies - platelets A:
A:
platelets