Cholesterol, because it stiffens blood vessel walls and can clog arteries.
a substance that can be decomposed or broken down
The answer that you're looking for is C.
Hope this helps! <3
Blood turns red when we start bleeding because the chemical composition of our blood changes when it reaches the air. This is known as oxidation, and no, it is probably not okay if your blood doesn't turn red once it reaches the outside of your body.
Posture well that’s what my teacher said