What did you learn this week?reflection.LO$1$ Understand human resource management and define human capital. LO$2$ Identify how human resource management and employees can be core competencies for organizations. LO$3$ Name the seven categories of HR functions. LO$4$ Provide an overview of four challenges facing HR today. LO$5$ Explain how ethical issues in organizations affect HR management. LO$6$ Explain the key competencies needed by HR professionals and why certification is important.