Q: Blood is made up of red blood cells, white blood cells, platelets, and what else?


Read this paragraph and choose the correct option from the provided answers:

Did you know that blood is a tissue? Blood is a fluid connective tissue that is made up of red blood cells, white blood cells, platelets, and plasma. The cells that make up blood are pictured below ( Figure below ). The different parts of blood have different roles.

 Choices:

- pathogens

- hemoglobin

- potassium

- plasma


A:
plasma