What is an anatomical similarity between the structures used for hearing, smelling, and balance? Compare and contrast the key mechanisms for smell, sound, and balance.

Describe the flow of blood represented by the diagram. include the following terms: nutrients, artery, capillaries, vein. ( me)

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.

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