Answer: The things that are listed .
Explanation: The circulatory system is made up of blood vessels that carry blood away from and towards the heart : Arteries carry blood away from the heart and veins carry blood back to the heart .
Suicidal thoughts and/or actions consist of you thinking about hurting yourself, and eventually killing yourself. When you have suicidal thoughts, you might cut yourself, and feel down, but remember, if you are feeling suicidal, talk with an adult you trust, or call the suicidal hot line.
~Hope I helped!~
The first one: Saturated fats
Second one: unsaturated fat
Third one: lipoprotein
Fourth one: cholesterol
(Second and fourth one not sure)