Answer: The answer is the last option, Backflow of blood through a defective valve.
Explanation: Hypotension causes high blood pressure, and the other two options are not related to heart murmurs. A hear murmur is when the blood isn't flowing in the right direction causing the hear to beat irregularaly.
Answer:
i am pretty sure its indicator
Answer: when their is a new moon
Explanation:
Answer:
C. move proteins throughout the cell
Explanation:
My science teacher told me.
The metric system is based on 10.