kylemartinez13
19.11.2020 •
Biology
By which method have scientists determined that the earth is about 4.5 billion years old?
A. Plate tectonics
B. Relative Dating
C. Radioactive dating
D. Law of superstition
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Ответ:
1- dilate
2- perfusion
Explanation
when blood pressure increase the arterioles dilate (become smaller) so that cells can absorb the oxygen from the blood easily. perfusion will be altered or slowed down. (The perfusion is the passage of fluid through the circulatory system. )