A. 5 million
B. 7 million
C. 10 million
D. 12 million
✅ The correct answer is option C.
10 million red blood cells the bone marrow produce every second. The formation of a red blood cell from hemocytoblast takes about 2 days. The body makes about two million red blood cells every second.
10 million red blood cells the bone marrow produce every second. The formation of a red blood cell from hemocytoblast takes about 2 days. The body makes about two million red blood cells every second.