Oxygen moving from the bloodstream into a cell down a concentration gradient is a form of

A: osmosis
B: endocytosis
C: Active transport
D: passive transport
Is the answer D?

6 answers

Yes.
The answer is D: passive transport. Hope this helps
The answer is D. This is because it is a certain transport and ya
yep its D [my grade:A-]
yes
yes its d