What are tissues primarily composed of?

• A. Molecules
• B. Systems
• C. Cells
• D. Organs

Answer: (C)

Verified step by step guidance

1. Understand that tissues are a level of organization in the body that is more complex than cells but less complex than organs.
2. Recognize that tissues are groups of similar cells that work together to perform a specific function.
3. Identify that cells are the basic building blocks of tissues, as they come together to form the tissue structure.
4. Differentiate between the levels of organization: molecules form cells, cells form tissues, tissues form organs, and organs form systems.
5. Conclude that tissues are primarily composed of cells, as they are the fundamental units that make up the tissue structure.