I believe the answer is A
Answer:
They signify the multiples of ten for each unit
Protien would be the correct answer i beleive
<span>In this scenario it will be listening like about the process it took to firstly diagonise cancer in the form of medical tests done and then the list of medical treatments that he should undergo in the future inorder to overcome cancer and finally it’s the about building positiveness and confidence to overcome cancer as soon as possible.</span>
The ileum contains villi that project into the lumen and increase the amount of surface area.
Villi are small finger-like structures that project into the lumen of the small intestine. Villi increase the surface area of the intestinal walls for easy and quick absorption of digested food with the addition of digestive secretions. Villi vary in length from about 0.5 to 1 mm. They are usually found in large numbers at the beginning of the small intestine and they reduce toward the end of the tract.