I do not have enough information to answer this question... im sorry:( i think i would need the full passage to read and answer this
The correct answer is - the introductory text in the sentence cannot stand alone.
The colon after 'including' should be removed because it is completely unnecessary. The word 'including' acts as a colon of sorts, so using both is redundant. You can either delete the colon and leave the sentence as is, or delete the word 'including' and add a colon, but not both.
Be more specific, I cannot understand that.
Answer:
B) Your heart will beat faster, more blood will go through your body, and your brain will feel sharper.
Explanation:
This summarizes what the paragraph was stating :)