Gravitational attraction between two celestial objects (i think)
Answer:
Skeletal system
Explanation:
Marrow, which is soft, fatty tissue that produces red blood cells, many white blood cells, and other immune system cells, is found inside bones.
<span>False. E.coli is generally about 2 micrometers in size compared to white blood cells which are around 13 micrometers in size. Also, white blood cells have a characteristic segmented nucleus with two to five lobes joined by fine strands of chromatin.</span>
I'm not sure what the options are for an answer but based on what I remember from my ENTO class, it would be secondary myiasis.