To calculate the variance, subtract your actual fixed overhead cost from your standard overhead cost. If the actual cost is higher than the fixed cost, the cost variance is unfavorable. For example, your standard fixed overhead cost is $3 per unit.
The major role of hemoglobin is to carry oxygen from the lungs to the tissues and return carbon dioxide (CO2) from the tissue to the lungs.
Confidence votes 238. Blood cells' function is to carry oxygen to all of the cells of the body, and to do this, it has hemoglobin, which allows the blood cells to accept and carry oxygen. The hemoglobin is only effective when the blood cell is a certain shape.