The hemoglobin of sickle cell anemia:
a. is oxygen rich
b. differs from the normal protein by one amino acid
c. can carry less oxygen and more carbon dioxide
d. is normal

The hemoglobin of a sickle cell anemia: C.

A sickle cell is when it runs out of oxygen and only carries CO2 which can cause many health problems in the body.

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.