Explain why a particular a community of Native South Americans in Chile, high in the Andes, have a tremendous amount red blood cells as compared to people living in the lower plateaus and plains. Give one similar case involving vertebrate animals

compare human red blood cells with those from frog.Which are larger? How doesr their shape differ?

which group of formed elements plays a role in the immune system? If a cell is 2-3 times larger than a red blood celland it contains a u-shaped nucleus then is it most likely what type of white blood cell? IF you are have too many red blood cells, then you have

Give typing answer with explanation and conclusion An individual, Jack, is concerned because his sister, Karen, was recently diagnosed with Huntington disease. Jack is 45 years old and currently asymptomatic. If 40% of 45-year-olds with HD are already symptomatic, what is the chance that Jack has HD? 5/7 2/7 5/8 3/8