7. protein is essential to the overall health of the body because it a. gives the body collagen, which protects the organs. b. keeps hair and nails healthy. c. sustains life and keeps body systems in good repair. d. "bulk up" muscles.

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home.evaluate the number of countries affected by lead exposure.create general national guidelines for working with lead.carry out research on the worldwide effects of lead products.

When is it most common for humans begin to develop a sense of self worth? a. adolescence b. early childhood c. infancy d. late childhood

Match the vocabulary terms to the correct definition. 1. branch of u.s. department of human services that works to improve the emotional and mental lives of families and communities; may include social workers, community managers and planners, therapists and corrective treatment specialists, and educators and child care workers quality-of-life indicators 2. infrastructure used to reduce health-care related expenses and increase the affordability of health care and insurance; increases the need for coordination among health care providers managed health-care system 3. federal healthcare insurance that provides medical, psychological, therapy, or social work services to the disadvantaged (medicaid) or the elderly (medicare) medicaid or medicare 4. measurements of the well-being of an individual, community, or larger population; includes physical, mental, emotional, and social health as well as other factors such as safety and opportunity for intellectual growth and challenges family and community services