Cartilage is a tough tissue made up of:\nOptions:\n- (A) a cuticle\n- (B) bones\n- (C) Joules\n- (D) neurons\n- (E) the skin\n- (F) loose soil\n- (G) fibrils\n- (H) muscle OK. Let's think hard:
User
Cartilage is a tough tissue that contains a protein called collagen. Many collagen fibrils come together and form a collagen and forma collagen fiber. Cartilage is a tough tissue made up of fibrils.
So, the final answer is (G).
Assistant