Q: Macrophages, which can swallow and destroy old and dying cells, bacteria, or viruses, are large types of what cells?


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

Macrophages are large WBCs that can also swallow and destroy old and dying cells, bacteria, or viruses. Below, a macrophage is attacking and swallowing two particles, possibly disease-causing pathogens ( Figure below ). Macrophages also release chemical messages that cause the number of WBCs to increase.

 Choices:

- red blood cells

- white brain cells

- dendritic cells

- white blood cells


A:
white blood cells