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The notion that individuals select movements based on their size relative to an object’s size is termed ____________.

Which is an example of an intrinsic factor can affect growth?

Changes in various measures of body size during adulthood to a great extent reflect the influence of extrinsic factors. The result is that body size among adults becomes increasingly variable across the span of adulthood and older adulthood.

Infants rely on vision to refine the path of arm reaches after they have learned to generally reach for objects.

After the adolescent growth spurt, sex differences in muscle mass result more from differences in arm musculature than leg musculature.

Which of the following are true regarding the development of balance during childhood? Select all that apply.

Which of the following is a characteristic of children’s early attempts to catch? Select all that apply. 

There is a trend of improved performance on balance tasks throughout childhood and adolescence, and the pattern of improvement is the same for all types of balance tasks.

Infants demonstrate some level of visual-auditory integration early in the first year of life.

The conduction speed of nerve impulses is aided by the development of ____________ cells that wrap themselves around the axons.