Which level of organization includes related organs with a common function, such as the digestive system?

Which level of organization includes related organs with a common function, such as the digestive system?

• A. System level of organization
• B. Organ level of organization
• C. Tissue level of organization
• D. Organism level of organization

Answer: (A)

Think about how the body is organized from parts to the whole. When several organs work together to perform a broader function, they form a system. The digestive system is exactly that kind of grouping—the stomach, intestines, liver, pancreas, and other components join forces to break down food, absorb nutrients, and manage waste. That’s different from the organ level, which refers to a single structure made of different tissues; the tissue level focuses on groups of similar cells; and the organism level is the entire being. So the level that includes related organs with a common function, like the digestive system, is the system level of organization.

Think about how the body is organized from parts to the whole. When several organs work together to perform a broader function, they form a system. The digestive system is exactly that kind of grouping—the stomach, intestines, liver, pancreas, and other components join forces to break down food, absorb nutrients, and manage waste. That’s different from the organ level, which refers to a single structure made of different tissues; the tissue level focuses on groups of similar cells; and the organism level is the entire being. So the level that includes related organs with a common function, like the digestive system, is the system level of organization.