Which of the Following Shows a Relationship Between Physical Activity

question 89

Multiple Choice

Which of the following shows a relationship between physical activity and bone health?

• A) Dancing is not an effective activity for helping maintain bone density.
• B) Weight training improves bone density in young but not older women.
• C) Working the muscles places stress on bones, which promotes bone density.
• D) Weight-bearing activities are effective in maintaining bone mass in adults but not in adolescents.

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Definitions:

Chromosome Number

The total number of chromosomes in the nucleus of a cell, which varies among different organisms and is characteristic of each species.

Meiosis I

The first division in the meiosis process, where a single cell divides into two cells containing half the original number of chromosomes, contributing to genetic diversity.

Reduction Division

Another term for Meiosis I, the first division in meiosis where the chromosome number is halved from diploid to haploid.

Autonomic Reflex

An involuntary response mediated by the autonomic nervous system to maintain homeostasis.