[ If anything, she studies even less during summer school than regular school, because motivation then is entirely nonexistent. Ice cream, though, has her perking up immediately, straightening out the paper with renewed vigor. ]

Deal! Number two: "Which component of blood is directly responsible for transporting oxygen to body cells? A. plasma, B. platelets, C. red blood cells, D. white blood cells."

[ She goes ahead and circles D. ]

Alright, next one. Number three: "Some cell types contain thousands of mitochondria. These cells are likely to use large amounts of which of the following? A. ATP, B. carbon dioxide, C. DNA, D. nitrogen"...