Answer:
Diffusion is a net movement of molecules or ions from a region of higher concentration to a region of lower concentration down a concentration gradient at a random movement.
So food molecules to move into the blood stream because blood is a region that has a lower concentration of molecules.
Answer:
The correct option is A.
Explanation:
Atherosclerosis: It is defined as a disease in which due to build up of plaque the inside of an artery narrows. In initial stage of this disease generally no symptoms occurs, in severe condition it can cause kidney problems, stroke, build up of cholesterols in the walls of large arteries, peripheral artery and coronary diseases.
Cause of Atherosclerosis is unknown, but risk factors include high blood pressure, diabetes, smoking, abnormal cholesterol levels, unhealthy diet, and obesity.
You did not provide options therefor i can not be exact but the cell membrane and cell walls are what contain the cytoplazm so it would not be ar
part of it