1. Hyaline: most common; found in the ribs, nose, trachea. Is a precursor of bone
2. Fibro: found in invertebral discs, joint capsules, and ligaments.
3. Elastic: found in the external ear, epiglottis, and larynx.
If you would’ve attached a picture I’m sure it would’ve been a lot easier.
The answer is B. Enzymes.
Enzymes are biological catalysts that help cause reactions in your body.