Lucy is finding it difficult to play volleyball after school. Her doctor thinks that her cells might not be getting enough oxygen. When Lucy talked about it with a friend, her friend said there might be a problem with Lucy's respiratory system. Part A: What do Lucy's cells need in order for her body to function properly?

Part B: How might a problem with Lucy's respiratory system make it difficult for Lucy to play volleyball?

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

the match lol

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.

b) charles darwin i learned that last year!