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.
Hemoglobin makes the red color.
what makes an organ system
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
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. Hemoglobin is derived from metal. That is also why the surface of mars is red, there is lots of iron in the soil.
Heamoglobin is in the blood. It is responsible for carrying oxygen, its therefore part of the cardiovascular system.
respitory, digestive, and circulatory =