Which of the following statements is true of cholesterol in the bloodstream? a. too much ldl can cause atherosclerosis and heart disease. b. all cholesterol is bad for arterial health. c. hdl is known as "bad cholesterol." d. statins raise the amount of ldl in the bloodstream and combat atherosclerosis

A. Too much LDL can cause atherosclerosis and heart disease.

A. Too much LDL can cause atherosclerosis and heart disease.

Explanation:

Atherosclerosis refers to cholesterol-rich plaque formation in the walls of arteries. atherosclerosis narrows the arteries and hampers the blood supply leading to heart diseases.  

LDL is low-density lipoprotein which serves to deliver cholesterol from the liver to the tissues and hence, is considered as bad cholesterol. Higher LDL levels in the blood lead to atherosclerosis.  

the answer is:

carbon dioxide