The unit tells us that ethnicity plays a role in body image. How might a person’s culture and family background shape their body image? How might culture and ethnicity affect perceptions about the role of sports and physical activity? You may choose to examine your own ethnicity or discuss a variety of different ethnicities.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

not: both offer magnification to the atomic level.