What I know is that sickle-cell anemia is when red blood cells are sickle-shaped instead of disc-shaped and can't deliver enough oxygen to the cells in the body.
Answer:
i believe it's A, C and D but I could be wrong
Explanation:
Electron Transport Chain located in the Mitochondria.
I don't see any answer options so that's my best guess
<span>The most common site of back pain is the lumbar area</span>
