draw a flow chart that traces a molecule of o2 from the lumen of an alveolus to the binding of the o2 molecule to an fe atom in the heme group associated with hemoglobin. include all steps and anatomical structures that must be traversed by the o2 molecule.

b is the best answer for this question.

to this one it would be receptive field

explanation:

the sun shines white and black light to our planet. the white light has all the colors in it. in our upper atmosphere, we have dust particles and oxygen molecules. the white light meaning all of the colors in a rainbow shines through the upper levels of the atmopshere and the blue light scatters across the entire planet. that is why our sky is blue.