Walking, running, any exercise that increases heart rate
Answer:
Polyunsaturated fatty acids; omega 6 fats.
Explanation:
Polyunsaturated fatty acids like the omega-6 fatty acids e.g linoleic acid (LA) has been found to lower blood cholesterol levels (LDL) and enhance HDL (the good cholesterol).
Cardiovascular system has to do with the heart, so anything to reduce the risk of that system (including the heart, bloodstream etc.) would be the answer for you. So just using Process of elimination:
A) Has to do with external exposure. <em>No</em><em />
B) Keeping hands clean <em>No</em><em />
C) Avoiding cigarette smoke <em>Yes</em>
D) Keeping your vaccinations up to date <em>No</em><em />
So your answer is C.
could you add the choices please
