Name brain injuries to the head that is not that serious but causes bleeding, dizziness, blurred vision and loss of consciousness?

What are preventative health care programs such a free flu shots essential for communities

What part of the menstrual cycle is the femal most likely to get pregnant and why

In regards to acetyl coa in the tca/kreb's cycle: how many cycles minimum would it take for an acetyl coa carbon to be removed? (what is the first step that this removal could happen? why can't we know for sure how many turns it takes?