Answer:
D: dissolving salt in water
Answer:
the second one is synthesis reaction
Great question, let me know if you get the anwser!
Answer:
Outside air
Nose
Lungs
Bloodstream
Cell
Explanation:
We breathe in oxygen from the outside air in through our nose and it travels to our lungs. Inside our lungs, we have Avioli's that diffuse oxygen into our bloodstream and the bloodstream helps the oxygen travel into our cells.
Hope this helps :)
I would go with the cell membrane In this case as the cell membrane is like skin
- Hope you can brainlest this answer