Answer the following question: Fact 1: Cartilage is a tough tissue that contains a protein called collagen. Fact 2: Collagen tissue is made by collagen fibers connected by bridges. Given the two facts above, what is a tough tissue made by fibers connected by bridges?

Select from: (1). a prism; (2). bones; (3). arms; (4). roots; (5). skin; (6). homogenous; (7). cartilage; (8). alveoli;
Answer:
(7).