Answer:
b
Explanation:
ignore this i have to put words to answer
I think you did some activity where you kept track of your heart rate and based on your knowledge of the circulatory and respiratory system you need to explain how your heart rate changed and why your heart rate changed.
Answer:
current below the surface
Answer:
It's weird I have often had dreams were I fell like I have lived that dream over and over again only I didn't live it in the dream I lived it while I was awake