I think the correct answer is a
<span>B. tiny structures in the cell that carry out the cell's activities</span>
Answer:
the correct answer is option ( B )
Lipids, also known as fats, play multiple roles in the body. Fats are broken down in the digestive tract to form individual fatty acids and cholesterol molecules. <span>Carbohydrates are the preferred source of energy for most of the tissues in the body, including the nervous system and the heart</span>
