The protein inside (a) red blood cells that carries oxygen to cells and carbon dioxide to the lungs is (b) hemoglobin. Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.
<h3>
Answer:</h3>
Vertebrates have backbones, while invertebrates do not.
Humans, for example, are vertebrates because we have backbones.
Answer:
radiant energy to chemical energy
EXPLANATION:
sunlight is ntg but radiation, it falls on leaf and through the process of photosynthesis it converts radiant energy to chemical energy
