Answer:
Cholesterol
Explanation:
Atherosclerosis is a disease which is caused due to the formation of plaques in the blood arteries which transport the oxygenated blood to the organs.
The atherosclerosis is one of the causes of the heart attack which reduces the flow of the blood to the heart.
The plaques are formed because of the accumulation of the calcium and one of the types of lipid molecule which floats in the blood in the form of lipoproteins called cholesterol.
Thus, Cholesterol is the correct answer.
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Answer:
A cell
Explanation:
Cell is the basic functional and structural unit of a living organism
Answer:
Diffusion
Explanation:
Diffusion has a membrane which allows even large molecules to pass through it whereas osmosis allows only water molecules as it has a partially permeable membrane.
When organisms die they release the nutrients back to the soil
