Artificial blood doesn't work that good with real blood and it can have side effects. It also doesn't carry as much oxygen as normal blood does
1:I'm pretty sure the answer is Metaphase because the cell didn't split apart or start to yet.
2: Is Anaphase
3: Telophase
4: Cytokinesis
Your neck muscles allow you to move your head
I think that the answer would be C
The answer is D. Mutualism