Ryan is carrying groceries from his car back to his apartment when he trips and falls landing on his knees. Embarrassed, he gets back up, picks up his groceries and carries them into his apartment with his head down. After putting his groceries away, he notices that although both of his knees are scraped, only his left knee is warm to the touch. His right knee feels cool when he puts his hand on it. Does Ryan's left knee have a higher or lower number of neutrophils than his right knee?
Ans: higher

John is conducting an experiment in his chemistry lab. His goal is to find a chemical solution that can regulate temperature. To that end, he considered two processes, process A and process B. Process A is an exothermic process, but process B is an endothermic process. In wich process heat will be absorbed, process A or process B?
Ans: process B

Dahlia has smoked cigarettes every day for many years. Dahlia's daughter, Samantha, has never smoked a cigarette in her life. Besides this difference, Dahlia and Samantha have similar activity levels and eat a similar diet. Who has a higher risk of developing heart disease?
Ans: Dahlia

Two ancient continents both had a great bird population. At some point in time, the continent of MU experienced a great drought that lasted for several years. The other continent, Lemuria, was unaffected by the drought. Which continent had less food available to the birds?
Ans: MU