What is true about the blood pressure so B. is the right answer because the Artery walls help to maintain the blood pressure , even between the heart beats.
Answer:
I would explain to her that most likely the teeth will not repair themselves due to the fact that, unlike bone, enamel does not contain cells that are capable of remodeling and repair. However, some remineralization is possible.
Explanation:
This is correct.
All of the above is the correct answer
Blood is blue before it reaches oxygen. this is why your veins are blue
Answer:
where are the answers???????
