Final answer:
Human capital refers to the attributes and investments that employees bring into their work, including skills, knowledge, and health. It is vital for productivity and influenced by factors like education and nutrition.
Step-by-step explanation:
Human capital refers to the sum of the attributes, life experiences, knowledge, inventiveness, energy, and enthusiasm that the company's employees invest in their work. It includes the information, skills, education, and health of workers. Human capital is important for productivity and is shaped by investments in factors such as nutrition and education.