The answer is D. An irritant that because embedded in the mantle
Answer:
Cd, Cr, Cu, Hg, Pb, and Zn
I think the correct answer from the choices listed above is the second option. Lysosomes can be compared to the recycling and garbage centers of a city. This can be justified since they <span>digest excess or worn out organelles, food particles, and engulfed viruses or bacteria.</span>
Diaphragm...is the muscle that helps in respiration.....there are also some other but....you said flat so diaphragm !