Understand human body systems and factors that influence growth and development.
Early learners begin with basic recognition of body systems and growth stages.
As students progress, they understand how systems work together and how individual actions affect health. As they themselves grow and develop, students can learn to enhance the process throughout their school years and later life. B. Explain the effects of health-related actions on the body systems. C. Describe factors that affect growth and development. 23.C.1 Identify individual differences in growth and development among people.