Ablood disorder caused by a lack of iron and red blood cells is called

Anemia is a blood disorder caused by a lack of iron and red blood cells.

Anemia impedes the production of protein hemoglobin in the body because of the absence or lack of the mineral iron in the blood. Iron is needed to produce the protein hemoglobin which in turn helps the red blood cells carry oxygen from the lungs and transport it all throughout the body.

They include lobsters and crabs