The first is red cell (erythrocyte) the second is white cell (leukocyte)
b) Which organelle is missing in the red blood cell?
c) Describe a feature that shows the difference between a red blood cell and other cells in the human body.
d) Explain how red blood cells are adapted to perform their function.
e) Describe the functions of white blood cells.
plzz plz help plz

leukocyte

Explanation:

leukocyte is the organelle missing in the red blood cell.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.