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

Which of the following factors contribute(s) to bone loss with aging in women? Select all that apply.

Perception is the neural activity triggered by an environmental stimulus that activates a sensory receptor and results in nerve impulses traveling to the brain.

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.

There are two developmental trends in catching: improvement in adjusting the body to the oncoming ball and improvement in adjusting hand position. Children tend to improve in adjusting their bodies to the oncoming ball before they improve in adjusting hand position.

When do the secondary sex characteristics appear?

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

Which of the following describes typical bone growth?

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

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