Please answer this: Keith is a physician in a local hospital. He is treating a patient with respiratory problem. He looked at two different states of the patient's diaphragm, state A and state B. In state A the the diaphragm contracted, but in state B the diaphragm relaxed. He now needs to figure out other phenomena related to this. When would the ribcage contract, state A or state B?
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Answer: state B

Please answer this: Fox and Ken were two aspiring horticulturists. Ken studied more about plant pollination, while Fox studied about mycorrhizal fungi. Which friend read less about fungi growing around the root cells?
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Answer: Ken

Please answer this: Two students learned about respiratory systems in animals. Dana learned more about mammalian lungs, while Barry learned more about the lungs of birds. Which student learned less about a network of very small blood vessels?
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Answer:
Barry