Answer: The statement that tissues are groups of cells with a common overall function but distinctive cell types and produced molecules is true.
Step-by-step explanation:
Tissues are indeed groups of cells that have a common overall function but are distinctive in their characteristic cell types and the molecules that the cells produce.
In multicellular organisms, cells with similar structures and functions often come together to form tissues. These tissues work together to perform specific functions in the body. For example, the epithelial tissue lines the surfaces of organs and body cavities, providing protection and serving as a barrier. Muscle tissue enables movement, while nervous tissue transmits electrical signals for communication.
Each tissue type consists of specialized cells that carry out specific functions. For instance, the cells in epithelial tissue are tightly packed and form a continuous layer, whereas muscle tissue is composed of elongated cells that can contract. Additionally, cells within different tissue types produce specific molecules that contribute to the overall function of the tissue.