Hemoglobin is the main constituent of red blood cells, and as such, it belongs to the circulatory system.
Hemoglobin makes cells red since it has iron in it.
The protein hemoglobin, found in the red blood cells, is what makes blood red.
The hemoglobin that makes up each RBC. Iron is crucial to the formation of hemoglobin, and I believe is what the oxygen sticks to.
Hemoglobin makes the red color.
what makes an organ system
i think it`s hemoglobin
hemoglobin
hemoglobin is just a pigment in your blood that makes it red...carries oxygen throughout the body...
copper's role in iron metabolism makes it a key factor in hemoglobin synthesis
Well actually, a cell makes up tissue. Then the tissue makes up an organ, the organ makes the organ system, then the organ system makes up an organism. But the exact amount of cells in an organism is unknown, but it is estimated to be 100 trillion.
Heamoglobin is in the blood. It is responsible for carrying oxygen, its therefore part of the cardiovascular system.