Functions of the skin include which of the following?

• A. Protection against environmental hazards
• B. Conduction of nerve impulses
• C. Production of red blood cells
• D. Digestion of nutrients

Answer: (A)

Verified step by step guidance

1. Begin by identifying the primary functions of the skin. The skin is the largest organ of the body and serves several critical roles.
2. Understand that the skin acts as a protective barrier against environmental hazards such as pathogens, chemicals, and physical injuries. This is one of its main functions.
3. Consider the conduction of nerve impulses. While the skin contains nerve endings that allow for sensation, it does not conduct nerve impulses like neurons do. Its role is more about sensory reception.
4. Evaluate the production of red blood cells. This function is primarily associated with the bone marrow, not the skin. The skin does not produce red blood cells.
5. Assess the digestion of nutrients. Digestion is a function of the digestive system, including organs like the stomach and intestines, not the skin. The skin does not digest nutrients.