Explain how regular moderate exercise in middle age affects the skeletal system.
What will be an ideal response?
- Exercise helps to combat the decline of bone mineral loss
- Exercise helps decrease the risk of fractures and osteoporosis.
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When Karla sees her doctor, she tells him the tale of how they met in high school. Even though the story is false, Karla believes it is true. She also cannot form new memories. Karla probably
A. has Broca's aphasia. B. has a headache. C. has a history of alcoholism. D. suffers from Alzheimer's disease.
Which statement is true of the study of history and historians?
a. History is a recounting of past events. b. Historians decide who to include and who to exclude from history. c. Historians prefer artifacts to written documents. d. History is largely bias-free.
The life support system that passes nutrients from the mom to the embryo and transfers waste materials back is the
a. umbilical cord. b. neurons. c. cephalocaudal. d. placenta.
In a simple experiment examining the impact of violent games on aggressive thoughts, we might have participants play a violent game for 45 min rather than 5 min. This decision reflects our attempt to maximize power by ______.
A. controlling conditions in our experiment B. ensuring that our IV is valid and reliable C. using a strong manipulation of our IV D. using similar participants in our study