Answer:
Grading system helps students figure the amount of knowledge they have gained. Grades can also help students making decisions about their career. Without grades, how students would show how much they have learned?
Explanation:
D. The Peyer's patches can release B cells to destroy Listeria
DMD) is a genetic disorder characterized by progressive muscle degeneration and weakness due to the alterations of a protein called dystrophin that helps keep muscle cells intact. Healthy muscles let you move freely and keep your body strong. Healthy muscles let you move freely and keep your body strong.